Alexei Navalny has become the latest in a string of deaths of critics of Russian President Vladimir Putin.
Over his more than two decades at the top of the Kremlin, a number of Mr Putin’s opponents have suffered unfortunate fates – including being jailed, shot dead in the street, or poisoned with tea spiked with polonium-210.
Who are the people who have dared speak out against Mr Putin or defy the Kremlin, and where are they now?
Alexei Navalny
Born to factory owners in a village west of Moscow, Alexei Navalny grew to become perhaps the highest-profile critic of Mr Putin’s time in power.
His political activism, including extensive investigations into high-level corruption and running to be mayor of Moscow, gained him fame – and many believed he posed a threat to Mr Putin.
It was in August 2020 when his fight against the Russian president hit the global headlines.
His team accused the Kremlin of poisoning him, a charge the Kremlin denied.
German medics confirmed that he had been poisoned with novichok – a Soviet-era nerve agent – and his recovery took months.
Despite the danger, Mr Navalny elected to return to Russia where he was later arrested, convicted on charges he says are politically motivated, and sent to a Russian penal colony.
Opposition politician Boris Nadezhdin declared that he would run against Mr Putin in the 2024 presidential election.
Despite doubts that the 60-year-old could present a serious challenge to the incumbent leader, Mr Nadezhdin said he had gathered more than 200,000 signatures from across Russia.
He had surprised some analysts with his strong criticism of what the Kremlin calls its “special military operation” in Ukraine, calling the war a “fatal mistake” and vowing to try to end it through negotiations.
On 8 February, he said he had been barred from running in the election and the Central Election Commission said it had found flaws in signatures his campaign had collected.
He vowed to appeal to Russia’s supreme court, adding: “Taking part in the presidential election in 2024 is the most important political decision of my life. I am not giving up on my intentions.”
Speaking to Sky News last year, Mr Nadezhdin said he was not afraid of speaking out “because I have a long life” and he had faced death several times.
Yevgeny Prigozhin
The ascension of Yevgeny Prigozhin from a hot dog seller to the boss of a private army which marched on Moscow was remarkable.
His Wagner Group mercenaries were notorious both for their brutality in Ukraine but also their influence in Africa.
Prigozhin became increasingly bold in his criticism of the Russian military and its top command.
When his forces began a march on Moscow from the southern city of Rostov it appeared to be the biggest challenge to Mr Putin for decades, but the apparent coup attempt fizzled halfway to the capital.
A former deputy prime minister of Russia under President Boris Yeltsin, Boris Nemtsov was a fierce critic of Putin and a prominent opposition leader.
He had been working on a report examining Russia’s role in the conflict in Ukraine in 2015.
But, aged 55, he was killed before it was finished. Mr Nemtsov was shot dead on a bridge just metres from the Kremlin as he walked home at night with his girlfriend.
Five men were found guilty of organising and carrying out the contract killing. Zaur Dadayev, an officer in Chechen leader and Putin ally Ramzan Kadyrov’s security forces, was found guilty of firing the fatal shots.
The Kremlin denied involvement in the killing.
Alexander Litvinenko
A former agent with the Russian FSB security service, Alexander Litvinenko fled Russia and eventually gained British citizenship.
He had accused Mr Putin of corruption and also blamed him for the infamous Moscow apartment bombings which Mr Putin, then prime minister, had used as a reason to start the Second Chechen War in 1999. It proved hugely popular and helped bring him to power.
The poison was ingested during a meeting with two Russian spies at the Millennium Hotel in London and the killing is thought to have been signed off by Putin himself. Russia has always denied any involvement.
Garry Kasparov
Regarded as one of the greatest chess players of all time, Garry Kasparov has been living in exile in New York since 2013.
The former world champion had become an impassioned campaigner against Mr Putin’s rule and took part in some of the mass opposition street protests organised by Alexei Navalny.
Investigative journalist, Paul Klebnikov, an American of Russian descent, was killed outside his office in a drive-by shooting in Moscow in 2004.
He was the editor of Forbes Russia and had written about corruption.
Forbes had also published a list of the country’s richest people.
Natalia Estemirova
Natalia Estemirova was an award-winning human rights campaigner who had collected evidence of abuses in Chechnya since the start of the second war there in 1999.
She was kidnapped near her home on 15 July 2009 in the Chechen capital, Grozny.
Several hours later her body was found in an area of woodland, with gunshots wounds to the head and chest.
Then president Dmitry Medvedev rejected claims that Chechnyan leader Ramzan Kadyrov was responsible and suggested the killing had been carried out to discredit the Kremlin.
Denis Voronenkov
A former Russian politician, Denis Voronenkov was an outspoken critic of Mr Putin.
Previously a member of the communist faction in the lower house of Russian parliament, Mr Voronenkov fled to Ukraine in 2016 and was granted Ukrainian citizenship.
He was shot and killed in Kyiv in March 2017.
Ukraine’s then president Petro Poroshenko described his killing as an “act of state terrorism” by Russia – an accusation rejected by the Kremlin.
He made his fortune in Russia in the 1990s during the mass sell off of state assets following the collapse of the Soviet Union.
Once incredibly rich, in his later years his fortune is believed to have dwindled.
James Nixey, head of Chatham House’s Russia programme, previously described him as “the most virulently anti-Kremlin, anti-Putin of the oligarchs”.
“He was certainly willing to spend his money, what little he had left, in an attempt to use it to end the current regime in Russia.”
Mr Berezovsky was found dead at his home in Berkshire. An inquest recorded an open verdict amid conflicting evidence about the way his body was found hanged.
Sergei Skripal
Formerly a colonel with Russian military intelligence before leaving in 1999, Sergei Skripal went on to work at the country’s foreign ministry until 2003.
The Kremlin denied that Russia was in any way involved in the poisoning, describing British accusations that an attack had been approved by senior Russian officials as “unacceptable”.
Sergei Yushenkov
Liberal Russian politician Sergei Yushenkov was shot dead in a Moscow suburb in 2003.
A member of the State Duma and former colonel in the Soviet army, Mr Yushenkov was shot several times outside his apartment building.
He had been involved in setting up the Liberal Russia Party, which had achieved full registration just hours before he was killed.
Mr Yushenkov had been willing to speak out against Putin and the war in Chechnya.
World number one golfer Scottie Scheffler has been detained and handcuffed by police for reportedly attempting to get around a traffic jam caused by a fatal accident near a course.
Play in the second round of the US PGA Championship at Valhalla golf club in Kentucky was delayed following the incident in which a pedestrian was hit by a shuttle bus, according to Louisville Metro Police Department (LMPD).
The 27-year-old was apparently attempting to drive past a police officer when he was stopped.
An unverified video posted online shows one officer leading Scheffler to a patrol car while another says to a camera: “Right now, he’s going to jail, he’s going to jail and there ain’t nothing you can do about it. Period.”
ESPN reporter Jeff Darlington, who witnessed the incident, said on air: “Traffic had been backed up and building.
“Scottie Scheffler tried to enter Valhalla Golf Club using a side median, at which point a police officer instructed him to stop.
“Scheffler attempted to continue to go, the police officer then attached himself to the side of Scheffler’s car.
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“Scheffler stopped the vehicle as he turned into Valhalla Golf Club at the entrance, about 10 to 20 yards from the point at which the police officer first told him to stop.
“At that point the police officer instructed Scheffler to get out of the car.
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“He rolled down the window, the police officer grabbed his arm and started pulling at it.
“He reached inside, opened the car door, pulled Scheffler out, pushed him up against the car, immediately placed him in handcuffs.”
A statement released by LMPD earlier, said officers had been called to reports of a collision involving a male pedestrian and a bus at around 5am.
It added: “As a result, the pedestrian received fatal injuries and was pronounced dead on the scene. The LMPD Traffic Unit is investigating.”
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French police have shot and killed an armed suspect outside of a synagogue, the interior minister has said.
The incident in Rouen, northern France, on Friday morning happened after the individual was intent on setting fire to the town’s synagogue, Gerald Darmanin said.
“I congratulate [national police officers] for their reactivity and their courage,” he added.
According to regional authorities, police rushed toward the man as smoke was rising from the synagogue.
He was carrying a knife and an iron bar when an officer shot him dead. His identity and motive are unclear.
Local broadcaster France 3 reported firefighters were at the scene. A city hall official said shortly before 8am that the fire had been brought under control.
Rouen mayor Nicolas Mayer-Rossignol also said on social media the town is “bruised and in shock”.
He thanked first responders on the scene and said there were “no victims other than the armed individual”.
The president of France’s Consistoire Central Jewish worshippers body Elie Korchia added police “avoided another anti-Semitic tragedy”.
France has already raised its security level to its highest level ahead of the 2024 Olympics in Paris over conflict in the Middle East, Russia’s invasion of Ukraine and the threat of terror attacks.
Michael Cohen, Donald Trump’s former “thug” and “pit bull”, has been accused of lying about a phone call he says he made to the former US president about payments to ex porn star Stormy Daniels.
Cohen, a lawyer who worked for the Trump Organisation from 2006 to 2017, has been giving evidence in the case about hush money payments to Ms Daniels – in an attempt to cover up an alleged sexual encounter in 2006.
Trump’s lawyer, Todd Blanche, called into question an important detail – a phone call made by Cohen to Trump’s assistant, Keith Schiller, on 24 October 2016.
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Cohen, 57, has maintained that during that call he spoke to Trump (who was either given the phone by Mr Schiller or placed on loudspeaker – we don’t know which) and told him he had paid Ms Daniels $130,000 in hush money on his behalf.
But Mr Blanche called this into doubt – showing the jury a number of interactions suggesting Cohen was in contact with Mr Schiller about a different issue at the same time, namely that he was receiving harassing phone calls and texts from a 14-year-old child.
“That was a lie – you did not talk to President Trump on that night, you talked to Keith Schiller about what we just went through,” Mr Blanche said.
Cohen said that, based on his records, he believes he spoke to Trump about the Stormy Daniels matter.
“We are not asking for your belief,” Mr Blanche said. “This jury does not want to hear what you think happened.”
That exchange was part of several hours of questioning which apparently sought to paint a picture of Cohen as someone who is eager to see his former boss behind bars.
Mr Blanche played jurors audio clips of Cohen saying the case “fills me with delight” and that imagining Trump and his family in prison made him feel “giddy with hope and laughter”.
“Does the outcome of this trial affect you personally?” Mr Blanche asked.
“Yes,” Cohen replied. He is due to return to the witness stand on Monday.
Cohen worked as the former president’s fixer. He once described himself as Trump’s “spokesman, thug, pit bull and lawless lawyer”.
He once said he would take a bullet for his boss and admitted at the end of questioning on Tuesday that he “violated my moral compass” while working for Trump.
Hush money payouts are not illegal, but Trump is accused of falsifying business records to hide it – a claim he denies.