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Amateur video footage has captured the moment a lorry drove through large crowds of people in Nice, killing dozens and leaving hundreds injured.
The vehicle travelled at high speed along the Promenade des Anglais before ploughing into hundreds of people who had gathered for Bastille Day celebrations.
The footage shows several people running after the lorry before it reaches the crowds, seemingly trying to prevent the disaster, before what sounds like gunshots can be heard.
One motorcyclist, possibly a police officer, drives alongside the lorry before the bike appears to fall to the ground at the sound of a gunshot.
The lorry continues towards the crowds and screams can be heard as it approaches.
The vehicle then disappears from the camera view but people can be seen dispersing in panic.
The lorry drives at high speed along the promenade. A motorbike travels beside it
The motorbike appears to fall at the sound of a gunshot. The lorry continues
The vehicle picks up speed as it travels towards the crowds
People can be seen running after the lorry, but within seconds it rams into the crowd
Witnesses have said the driver swerved from side to side as he drove for hundreds of metres through the crowd.
After travelling several hundred metres the driver was shot by police. Firearms and grenades were reportedly found in the vehicle after the incident.
In pictures: Bastille Day Nice attackShow all 30 1 /30In pictures: Bastille Day Nice attack In pictures: Bastille Day Nice attack A man reacts near bouquets of flowers near the scene where a truck ran into a crowd at high speed killing scores and injuring more who were celebrating the Bastille Day national holiday in Nice
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In pictures: Bastille Day Nice attack A woman arrives with a toy and a bouquet of flowers as people pay tribute near the scene where a truck ran into a crowd in Nice
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In pictures: Bastille Day Nice attack A woman reacts as she places flowers in front of the memorial set on the 'Promenade des Anglais' where the truck crashed into the crowd during the Bastille Day celebrations in Nice
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In pictures: Bastille Day Nice attack People gather to view the floral tributes near the site of the truck attack in the French resort city of Nice
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In pictures: Bastille Day Nice attack A man reacts near bouquets of flowers as people pay tribute near the scene where a truck ran into a crowd at high speed killing scores and injuring more who were celebrating the Bastille Day national holiday, in Nice
Reuters
In pictures: Bastille Day Nice attack Floral tributes are laid out near the site of the truck attack in the French resort city of Nice
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In pictures: Bastille Day Nice attack A child's toy is placed among the floral tributes laid out near the site of the truck attack in the French resort city of Nice
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In pictures: Bastille Day Nice attack Investigators continue at the scene near the heavy truck that ran into a crowd at high speed killing scores who were celebrating the Bastille Day in Nice
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In pictures: Bastille Day Nice attack Crime scene investigators work on the 'Promenade des Anglais' after the truck crashed into the crowd during the Bastille Day celebrations in Nice
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In pictures: Bastille Day Nice attack A forensic expert examines dead bodies covered with a blue sheet on the Promenade des Anglais seafront in the French Riviera city of Nice
Getty Images
In pictures: Bastille Day Nice attack A forensic expert evacuates a dead body on the Promenade des Anglais seafront in the French Riviera city of Nice, after a gunman smashed a truck into a crowd of revellers celebrating Bastille Day
Getty Images
In pictures: Bastille Day Nice attack A man reacts as he sits near a French flag along the beachfront the day after a truck ran into a crowd at high speed killing scores celebrating the Bastille Day in Nice
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In pictures: Bastille Day Nice attack Discarded items are left on the beach, not far from the site of the truck attack in the French resort city of Nice
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In pictures: Bastille Day Nice attack Bullet holes in the windscreen of the lorry that was driven into the crowd at high speed
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In pictures: Bastille Day Nice attack A man walks through debris on the street in Nice, France, the morning after a lorry ran into a crowd, killing at least 84 and injuring 50
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In pictures: Bastille Day Nice attack Rescue workers help an injured woman to get in a ambulance
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In pictures: Bastille Day Nice attack Authorities investigate a truck after it plowed through Bastille Day revelers in the French resort city of Nice, France
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In pictures: Bastille Day Nice attack Celebrations of Bastille Day were targeted by the lorry driver
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In pictures: Bastille Day Nice attack People cross the street with their hands on thier heads as a French soldier secures the area after at least 84 people were killed along the Promenade des Anglais in Nice
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In pictures: Bastille Day Nice attack A paramedic attends one of the dozens of people injured in the Nice Bastille Day attack
In pictures: Bastille Day Nice attack Soldiers march on street where the lorry crashed into the crowd
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In pictures: Bastille Day Nice attack A man sits next to a body seen on the ground after at least 84 people were killed in Nice, when a truck ran into a crowd celebrating the Bastille Day national holiday
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In pictures: Bastille Day Nice attack Bodies are seen on the ground after at least 84 people were killed in Nice, when a truck ran into a crowd celebrating the Bastille Day national holiday
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In pictures: Bastille Day Nice attack Children were among the 84 killed in the atrocity, with around 50 more hospitalised
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In pictures: Bastille Day Nice attack French Interior Minister Bernard Cazeneuve (2nd L) speaks to the media in Nice
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In pictures: Bastille Day Nice attack A man walks with his hands up as police officers carry out checks on people in the centre of French Riviera town of Nice
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In pictures: Bastille Day Nice attack With injured people laying in the street police and onlookers react near to a truck in Nice
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In pictures: Bastille Day Nice attack Police officers, firefighters and rescue workers are seen at the site of the attack
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In pictures: Bastille Day Nice attack Police officers speak with a soldier after a truck that ploughed into a crowd leaving a fireworks display in the French Riviera town of Nice
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In pictures: Bastille Day Nice attack Police shine a light into the cab as they approach the driver's cab of a truck, in Nice
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French media have identified the driver as a 31-year-old French-Tunisian man.
President Francois Hollande has said the country's state of emergency would be extended for another three months.
A military operation is in place allowing the mobilisation of 10,000 troops.
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