On Friday evening, the rock band Piknik had just come on stage at Crocus City Hall when a group of gunmen stormed the venue and started firing indiscriminately.
The four men arrived at the venue, which has a capacity of 6,200 people and sits 15 miles west of Moscow, in a minivan at around 7.40pm.
Image: Gunmen are seen inside the venue
Image: Kalashnikov on the floor of the venue. Pic: Russian Investigative Committee
They approached the metal detectors at the entrance carrying Kalashnikovs and began shooting people at point-blank range.
Video footage from inside the concert hall shows people screaming and running towards the exit as the gunmen fired in short bursts.
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They are then believed to have poured liquid around the hall, igniting it before fleeing.
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Margarita Bunova, who was in the crowd and managed to escape, said: “I heard a blast. I thought it was a firecracker. But these crackles, they weren’t stopping.
“There was screaming, panic. When they started shooting, the people themselves were already downstairs. My husband grabbed me and we ran through the upper floor through the fire safety.”
As emergency responders scrambled to the scene, the hall went up in flames, with part of the roof collapsing.
They were situated around two miles away and took roughly half an hour to arrive, according to Sky’s security and defence analyst Professor Michael Clarke.
Image: Emergency vehicles outside Crocus City Hall. Pic: Reuters
How many have died?
According to Russia’s investigative committee, 133 people have been confirmed dead so far.
At least 145 people were injured, with more than 100 still in hospital.
Image: Men cover themselves with blankets near the burning Crocus City Hall. Pic: Reuters
Who were the attackers?
The Russian Security Service (FSB) has said it arrested 11 people, including the four men believed to have carried out the attack.
They fled the scene in a white car and were detained in Bryansk, a region around 200 miles southwest of Moscow.
Footage being circulated by Russian media on Telegram shows some men being apprehended at the side of a road. One is heard saying: “I shot people,” as his hands are tied behind his back.
One of the suspects gave the name Shamsutdin Fariddun and said he was born on 17 September 1998.
Another, with facial injuries, spoke in Tajik via a translator and gave his name as Rajab Alizadeh.
Image: A massive blaze is seen at the Crocus City Hall. Pic: AP
Who has claimed responsibility?
The men are reportedly members of Islamic State Khorasan (IS-K), which issued a statement claiming responsibility for the attack four hours after it happened.
It said: “The attack comes within the context of a raging war between the Islamic State and countries fighting Islam.”
IS-K, an offshoot of ISIS, has vowed to form a caliphate across Afghanistan, Pakistan, Turkmenistan, Tajikistan, Uzbekistan, and Iran.
It is largely made up of former Pakistani Taliban fighters and recruits members across central Asia and Russia.
US officials have said they have intelligence that confirms IS-K were behind the atrocity.
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0:59
Why would IS-K attack Russia?
What has Vladimir Putin said?
Despite the IS-K admission, Mr Putin has suggested the suspects had links to Ukraine and were trying to flee there when they were arrested.
He said in a video address on Saturday: “They tried to hide and moved towards Ukraine, where according to preliminary data, a window was prepared for them from the Ukrainian side to cross the state border.”
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0:56
Putin vows to punish perpatrators
He described the incident as “international terrorism”.
Kyiv has vehemently denied any involvement.
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Mr Putin vowed to punish those responsible, adding: “All the perpetrators, organisers and those who ordered this crime will be justly and inevitably punished. Whoever they are, whoever is guiding them.
“We will identify and punish everyone who stands behind the terrorists, who prepared this atrocity, this strike against Russia, against our people.”
Image: Crocus City Hall on Saturday. Pic: Reuters
What has the West said?
The US has said it had passed the Kremlin intelligence that terrorists were planning an attack in Moscow two weeks before Friday’s incident.
It said IS was planning an atrocity on a conference or concert venue.
US National Security Council spokesman Adrienne Watson said in a statement: “Earlier this month, the US government had information about a planned terrorist attack in Moscow – potentially targeting large gatherings, to include concerts – which prompted the State Department to issue a public advisory to Americans in Russia.
“The US government also shared this information with Russian authorities in accordance with its longstanding ‘duty to warn’ policy.”
Footage geolocated by Sky News showed Russian soldiers walking through the Shakhtarskyi neighbourhood on the outskirts of Pokrovsk on Thursday.
The video sheds light on the situation in this key frontline area, as Russian forces slowly encroach on Myrnohrad, the satellite town to Pokrovsk, and one of its last remaining outposts.
Videos geolocated by Sky News show fighting intensifying in recent weeks, as Russian forces attempt to gain control of the towns and their network of road and rail intersections.
Gaining control here would give Russia a base from which to access key cities further north that form part of Ukraine’s “fortress belt”.
Russian forces are advancing from all directions, according to the Institute for the Study of War (ISW), with only one small opening to the northwest of Myrnohrad remaining.
Estimated to be only 3km wide by military experts, this withdrawal corridor is patrolled by Russian drone units which monitor the area for moving vehicles and those who may attempt to leave on foot.
Russian forces have been advancing on Myrnohrad since late October.
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Video from a Ukrainian unit in Myrnohad, posted on 29 October, shows a Russian vehicle attempting to enter the town from the northeast. The tank is attacked and soldiers attempting to enter on foot are targeted.
Video posted on 3 November shows Russian forces on the ground in the south of the town.
By 8 November, Russian strikes begin to pummel the northeast of Myrnohrad, the location of many of the town’s high-rise buildings, at that time, held by Ukrainian forces.
George Barros, Russia Team & Geospatial Intelligence Team Lead at ISW, told Sky News that Russian strategy in Pokrovsk has been to erode Ukrainian logistical capacity using drones and artillery over the course of several months.
“After denying supply lines and degrading the frontline forces by essentially cutting them off from behind and starving them out in their positions, then the Russians move forward with their infantry and frontal assaults,” Barros explained.
Capture the flag
For a brief period, it looked as though Russian forces had captured Myrnohrad.
Videos posted on 13 November appeared to show a Russian flag flying over the Myrnohrad mine.
However, video posted the following day showed a Ukrainian drone shooting it down.
Both Russian and Ukrainian forces continue to fight for control of Myrnohrad, with videos posted on the 19 and 20 November showing Russian airstrikes on Ukrainian positions in the town, and Ukrainian drone strikes targeting Russian forces on foot.
While the exact numbers of Russian and Ukrainian forces in the area remains unclear, reports indicate that three key Russian units are active in Pokrovsk and Myrnohrad, and are advancing on the towns from the north and south.
A number of Ukrainian units remain inside the towns, including the 145th Assault regiment and the 32nd, 35th, 38th and 155th Brigades. Reports indicate that more Ukrainian units have been moved into surrounding areas to hold the withdrawal corridor open.
Sky News reached out to the Ukrainian brigades still in Myrnohrad, but they declined to comment, citing military regulations.
Strategic significance
Natia Seskuria, associate international security fellow at the Royal United Services Institute (RUSI), explained that the area is important for the Ukrainians to keep and the Russians to take because of its strategic position.
“Situated at a major road and rail intersection in Donetsk Oblast, Pokrovsk has functioned as a central artery for moving troops, equipment, and supplies to Ukrainian units deployed along the surrounding front.”
Russia “would gain a platform to redirect its offensive efforts toward Ukraine’s principal defensive urban centres… including Kramatorsk and Slovyansk,” Seskuria said.
Ukrainian and Russian soldiers in Pokrovsk have fought intensely and at close quarters over the last month.
In late October US-made Black Hawk helicopters containing specialist troops directed by Ukrainian military intelligence entered Pokrovsk to try to keep the town.
But as Russian troops advance, Myrnohrad is becoming the last stronghold of Ukrainian forces in the area.
Uncertain future
At least up until 12 November, there were still civilians living in Pokrovsk and Myrnohrad, despite strikes on buildings in both cities.
Image: Residents sit in an armoured vehicle as Ukrainian police officers evacuate them from Pokrovske on 11 November. Source: Reuters
A post made on that day by the Donetsk state regional administration estimated 1,200 people remain living in Pokrovsk and 900 in Myrnohrad.
Evacuation is only possible with the help of the military or police, and it is not clear how many have evacuated in the 11 days since.
Barros of ISW says gaining Pokrovsk would increase Russia’s leverage at the negotiating table.
“If the Russians can successfully convince enough international leaders that, okay, the Russians took Pokrovsk, they’re going to take the next thing, and they’re going take the thing, so now let’s negotiate, then that is a strategic victory for the Russians.”
Production by Michelle Inez Simon, Visual Investigations Producer.
The Data x Forensics team is a multi-skilled unit dedicated to providing transparent journalism from Sky News. We gather, analyse and visualise data to tell data-driven stories. We combine traditional reporting skills with advanced analysis of satellite images, social media and other open source information. Through multimedia storytelling we aim to better explain the world while also showing how our journalism is done.
Torrential rain, flooding and landslides has left more than 100 people dead or missing in Vietnam.
Rainfall has exceeded 74.8in (1.9 metres) in some parts of central Vietnam over the past week.
The region is a major coffee production belt and home to popular beaches, but it is also prone to storms and floods.
Fatalities have been reported in Dak Lak province and the neighbouring Khanh Hoa province.
Image: Parts of Quy Nhon has been under several feet of water. Pic: picture-alliance/dpa/AP
Footage has been released by local police of a dramatic rescue, involving a drone which airlifted a stranded man to safety from an island in the middle of the Serepok River, Dak Lak province.
The government estimates the flooding has cost the economy around 8.98 trillion dong (£260m).
More than 235,000 houses were flooded and nearly 80,000 hectares of crops were damaged, Vietnam’s disaster agency said.
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On Thursday, VietnamNet newspaper said that a suspension bridge on Da Nhim River in Lam Dong province had been swept away.
Video footage posted online showed the bridge being swallowed by the river in just a few seconds.
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Naval forces have been deployed to help stranded citizens in Khanh Hoa, the Vietnam News Agency reported, adding that floodwaters had reached record highs in many areas.
Photos shared in state media reports showed residents, including children, sitting on the roofs of flooded houses in Khanh Hoa, Gia Lai and Dak Lak provinces.
A seven-year-old girl was rescued late on Wednesday in Da Lat, the capital of Lam Dong province, after being buried by a landslide, the Nhan Dan newspaper reported.
The landslide, triggered by heavy rain, knocked down and buried part of the house where the girl was staying.
She was pulled out after an hour and a half and was taken to hospital with a broken leg, according to the report.
Three international airlines have cancelled flights departing from Venezuela after a “potentially hazardous situation” warning.
The US Federal Aviation Administration (FAA) on Saturday issued an alert to airlines flying over the country, citing the “worsening security situation and heightened military activity in or around Venezuela“.
The US is poised to launch a new phase of operations related to the South American nation in the coming days, four US officials said.
The exact timing or scope of the operations, as well as whether President Donald Trump has made the final decision to act, have not yet been established.
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1:41
Venezuela claims Trump creating ‘fables’ to justify ‘war’
Brazil’s Gol, Colombia’s Avianca and TAP Air Portugal cancelled their flights from the capital, Caracas, in north Venezuela, on Saturday, according to Flightradar24 and the official website of Simon Bolivar Maiquetia International Airport.
TAP Air Portugal confirmed it cancelled flights scheduled for Saturday and next Tuesday.
“This decision follows information issued by the United States aviation authorities, which indicates that safety conditions in Venezuelan airspace are not guaranteed,” the airline said.
The Trump administration has been considering Venezuela-related options to tackle what it has portrayed as President Nicolas Maduro’s role in supplying illegal drugs that have killed Americans.
Mr Maduro, who is celebrating his 63rd birthday on Sunday and has been in power since 2013, has claimed Mr Trump is looking to oust him and that Venezuelan citizens and the military will rally against any such attempt.
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0:59
Three killed as US strikes another alleged drug boat
Aeronautica Civil de Colombia said in a statement there were “potential risks” of flying in the Maiquetia area “due to the deterioration of security conditions and increased military activity in the region”.
Spain’s Iberia also said it was cancelling its flights to Caracas from Monday until further notice.
Reports of looming action have been growing in recent weeks as the US military has deployed forces to the Caribbean, amid heightened tensions with Venezuela. The Pentagon referred questions to the White House and the CIA declined to comment.
There has been a huge US military build-up in the region, including the US Navy’s largest aircraft carrier, USS Gerald R Ford, at least eight other warships, and F-35 aircraft.
The build-up in the Caribbean has been rumbling on for months, and Mr Trump has authorised covert CIA operations in Venezuela.
The US plans on Monday to designate the Cartel de los Soles, a Venezuela-based alleged criminal group, a foreign terrorist organisation for what the US sees as its role in importing illegal drugs into America, officials said.
Image: A coastguard boat of the Venezuelan Navy operates off the Caribbean coast. File pic: Reuters
The Trump administration has accused Mr Maduro of leading the cartel, which he denies.
US forces in the region so far have concentrated on counter-narcotics operations.
US troops have carried out at least 21 strikes on alleged drug boats in the Caribbean and Pacific since September, killing at least 83 people.