He added that the choice of the day - Bastille Day, when France celebrates its post-French Revolution republic - was particularly poignant. It was perhaps 50 yards away. I saw a guy in the street, we were trying to speak to the driver to get him to stop.
"Lots of people lost sight of each other".
Witness Eric Ciotti told Europe 1 radio of the horrifying moments people fled to safety - with some running into the sea in a desperate attempt to flee. "I didn't want to look at the dead bodies".
"My partner took my hand immediately and we started running with everybody and honestly in my head I had no idea what was going on and the music was so loud".
She said she saw dozens of police cars and ambulances. The gun he used to fire on police was not fake.
Tomas Tuhy, the country's top police officer says security has been boosted at Prague's and other global airports, train stations and other places where sports and cultural events take place.
"This lorry just mounted the kerb, across the street from us and the next thing, all you could hear was banging and shouting and screaming". Police have cordoned off much of the Promenade des Anglais. There is an eerie sense of unease and disbelief that jars with the attractive beachfront surroundings.
Many papers carried an image of the bullet-ridden truck on their front pages. This was not a high-tech attack but the brutality and the banality of the method make it all the more terrifying.
Nice Matin journalist Damien Allemand described a chaotic scene as the truck struck multiple people.
It comes after Boris Johnson, on his first day as Foreign Secretary has confirmed one person from the United Kingdom has been injured.
"This is an attack of which the terrorist character can not be denied", Hollande said.
The Islamic State is a terrorist organization banned in Russian Federation.
The hospital, equipped with one of France's largest pediadiatric emergency units, also called the families of children it was already treating before the attack to ask them to pick up their children to free up rooms for the attack victims.
Froome, who lives in Monaco, wrote on Twitter: "Thoughts are with those affected by the horrific terror attack in Nice".
Cops shot the killer driver dead and said the driver was a 31-year-old French Tunisian man.
"Terrorism is a threat that weighs heavily upon France and will continue to weigh for a long time", Prime Minister Manuel Valls said after an emergency government meeting Friday.
The President has also called up operational reserves to assist the police, the statement read.
On this Bastille Day, we are reminded of the extraordinary resilience and democratic values that have made France an inspiration to the entire world.
President Obama condemned the terror attack, while presidential hopefuls Donal Trump and Hillary Clinton agreed that the incident was another declaration of war. "I live in old Nice and this morning, I am shocked", one man, Fabrice Brissou, said.