Four girls aged between nine and 17 were stabbed in an “unprovoked” attack at a cinema in Massachusetts, US police have said.

A 21-year-old woman and a 29-year-old man were also found stabbed in a McDonald’s restaurant in an incident that may be connected, according to officers.

A man, whose identity has not been released, was taken into custody following a vehicle chase that ended in a crash in Sandwich, Cape Cod.

Police said a man came into the AMC Braintree 10 complex, south of Boston, at about 6pm local time on Saturday and entered one of the movie theatres without paying.

“Without saying anything and without any warning, he suddenly attacked the four young females,” the Braintree police department said in a statement.

“The attack appeared to be unprovoked. After the attack, the man ran out and left in a vehicle.”

The girls sustained non-life-threatening injuries and were taken to hospitals in Boston for treatment.

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The suspect’s vehicle – what appeared to be a black SUV – and number plate was seen on camera, police said.

A vehicle matching the description of the suspect’s vehicle was later seen in Plymouth, about 27 miles south of Braintree.

Police said it had left a McDonald’s restaurant, where a 21-year-old woman and a 29-year-old man were found stabbed and both were taken to hospitals with injuries.

Police found the vehicle another 20 miles south, in Sandwich, and attempted to pull it over, but it didn’t stop and later crashed.

The driver was taken into custody shortly afterward and was being treated at a hospital.

Eight people have been taken to hospital due to turbulence on a flight to Dublin.

Dublin Airport said six passengers and six crew members on a Qatar Airways flight from Doha to Dublin were hurt after experiencing turbulence over Turkey.

In a later statement, the airport said all passengers were assessed for injury before getting off the plane and eight were taken to hospital.

Graeme McQueen, a spokesman for DAA, the operator of Dublin Airport, told Sky News the aircraft was met by emergency services upon landing shortly before 1pm on Sunday.

Qatar Airways described the injuries sustained by passengers and crew as “minor”.

It said: “[They] are now receiving medical attention… The safety and security of our passengers and crew are our top priority.”

An internal investigation into what happened has now been launched.

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Earlier this week, in a separate incident, a British man died on a Singapore Airlines flight after extreme turbulence on a Heathrow-Singapore journey.

Turbulence is defined as a sudden change in airflow and wind speed.

It can often be associated with storm clouds, which are usually well forecast and monitored, allowing planes to fly around them, Sky News weather producer Jo Robinson said.

Clear-air turbulence (CAT) is much more dangerous as there are no visual signs, such as clouds.

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This invisible vertical air movement usually occurs at and above 15,000ft and is mostly linked to the jet stream.

It is unclear what type of turbulence the Qatar Airways flight went through.

More than 2,000 people have been buried by a massive landslide in northern Papua New Guinea, the country’s disaster agency has said.

The landslide levelled the mountainous Kaokalam village in Enga Province – about 370 miles (600km) northwest of the capital Port Moresby.

It hit the Pacific nation at around 3am local time on Friday (6pm on Thursday UK time), and the United Nations had earlier said it estimated 670 people had been killed. Local officials had initially put the number of dead at 100 or more.

The Papua New Guinea national disaster centre said the landslide had buried more than 2,000 people.

“The landslide buried more than 2,000 people alive and caused major destruction to buildings, food gardens and caused major impact on the economic lifeline of the country,” an official from the national disaster centre said in a letter to the United Nations.

Earlier, Serhan Aktoprak, head of the United Nations’ International Organisation for Migration mission on the island nation, said the figure of 670 deaths was based on calculations by local officials that more than 150 homes had been buried. The previous estimate was 60 homes.

“They are estimating that more than 670 people [are] under the soil at the moment,” he said.

More than 4,000 people were likely impacted by the disaster, humanitarian group CARE Australia said earlier.

It said the area was “a place of refuge for those displaced by [nearby] conflicts”.

About six villages were affected by the landslide in the province’s Mulitaka region, according to Australia‘s Department of Foreign Affairs and Trade.

Three bodies were pulled from an area where 50 to 60 homes were destroyed. Six people, including a child, were pulled from the rubble alive, the UN’s Papua New Guinea office said.

But hopes of finding more survivors were diminishing.

The landslide left debris up to eight metres deep across 200 sq km (77 sq miles), cutting off road access, which was making relief efforts difficult. Helicopters were the only way to reach the area.

Survivors searched through tonnes of earth and rubble by hand looking for missing relatives while a first emergency convoy delivered food, water and other provisions on Saturday.

However, Mr Aktoprak added: “Hopes to take the people out alive from the rubble have diminished now.”

In February, at least 26 men were killed in Enga Province in an ambush amid tribal violence that prompted Prime Minister James Marape to give arrest powers to the country’s military.

Mr Marape has said disaster officials, the defence force and the department of works and highways were assisting with relief and recovery efforts.

Papua New Guinea, with a population of around 10 million, is a diverse, developing nation of mostly subsistence farmers with 800 languages. There are few roads outside the larger cities.

It is located on the eastern half of the island of New Guinea and sits on the Pacific Ring of Fire, the arc of seismic faults around the Pacific Ocean where much of the world’s earthquake and volcanic activity occurs.

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In March, the country was hit by a 6.9-magnitude earthquake.

The US and Australia are building closer defence ties with the strategically important nation, while China is also seeking closer security and economic ties.

US President Joe Biden and Australian Prime Minister Anthony Albanese said their governments stood ready to help respond to the landslide.