Keep watching here for more live updates:
3.23 pm: Driver of lorry involved in Nice terror attack named by French media as Mohamed Lahouaiej Bouhlel
2.32 pm: Bastille Day partygoers threw children to safety as truck attack sparked stampede
2.30 pm: London Mayor Sadiq Khan: "Reviewing" city's "safety measures" in light of Nice terror attack
2.15 pm: France must learn to "live with terrorism": French PM Manuel Valls after Nice terror attack
2.09 pm: France to observe three days of national mourning from Saturday following Nice Terror Attack: French PM Manuel Valls
1.55 pm: Russia's President Vladimir Putin expresses deep sympathy to French President Francois Hollande following Nice terror attack
1.44 pm: One Briton injured in Nice Terror Attack: UK Foreign Secretary Boris Johnson
1.30 pm: Minute of silence held ahead of Tour de France in honour of Nice terror attack victims
1.23 pm: City of Marseille cancels fireworks following attack in Nice.
1.08 pm: German Chancellor Angela Merkel condemns Nice attack, says will win fight against terrorism.
12.57 pm: "Our Ambassador in France has again confirmed that all Indians are safe," says Sushma Swaraj.
I have spoken to our Ambassador in France Shri Mohan Kumar. He has again confirmed that all Indians are safe. @Indian_Embassy— Sushma Swaraj (@SushmaSwaraj) July 15, 2016
12.38 pm: President Pranab Mukherjee condemns attack in Nice, says India is with France.
11.27 am: Following attack in Nice, security agencies in India have been asked to watch out for lone wolf attacks.
11.06 am: Death toll from Bastille Day attack in Nice, France, rises to 84, interior ministry says.
11.00 am: Nice truck attacker was known to French police for common law crimes: Reuters quotes police source.
10.47 am: Man emerged with a gun and started shooting at the crowd: Eyewitness recounts the horror.
10.43 am: I saw bodies flying like bowling pins, heard sounds, howls I'll never forget: Nice attack witness.
#NiceAttack Our Embassy in Paris has opened helpline +33-1-40507070.— Vikas Swarup (@MEAIndia) July 15, 2016
10.03 am: UN Security Council strongly condemns the "barbaric and cowardly terrorist attack" in the French city of NICE.
9.35 am: People in Nice used social media to try and find people who went missing after the terror attack. One story that has come to the fore is of a woman who posted on Facebook about her eight-month-old baby gone missing. Later she updated her Facebook post saying the baby had been found.
9.30 am: Shocked and saddened by the appalling events in Nice, and the terrible loss of life: British Secretary of State for Foreign & Commonwealth Affairs, Boris Johnson
9.20 am: #NiceAttack Our Ambassador in Paris is in touch with the Indian community in Nice. So far no report of any Indians affected: Vikas Swarup Official Spokesperson, Ministry of External Affairs, India
9.16 am: French Police are investigating whether attacker in Nice was acting alone.
France' #NiceAttack a coward act of enemies of humanity. My thoughts are with those killed, prayers for speedy recovery of injured.— Mukhtar Abbas Naqvi (@naqvimukhtar) July 15, 2016
Canadians are shocked by tonight's attack in Nice. Our sympathy is with the victims, and our solidarity with the French people.— Justin Trudeau (@JustinTrudeau) July 14, 2016
Tragic paradox that the subject of #NiceAttack was the people celebrating liberty, equality and fraternity— Donald Tusk (@eucopresident) July 14, 2016
8.50 am: We stand in solidarity and partnership with France, our oldest ally, as they respond to and recover from this attack: US President Barack Obama on #NiceAttack
8.44 am: "France as a whole is under threat of Islamist terrorism ... This is an absolute horror.": French President Francois Hollande
India stands shoulder to shoulder with the people and Government of France as it responds to this attack #PresidentMukherjee— President of India (@RashtrapatiBhvn) July 15, 2016
I am shocked to hear about the terrorist attack on an innocent crowd of people gathered to celebrate the Bastille Day in Nice, France.— President of India (@RashtrapatiBhvn) July 15, 2016
8.25 am: The driver of the truck that killed 80 people in Nice, France was shot dead by the authorities.
8.20 am: Nice Attack: I hope injured recover soon. India shares pain & stands firmly with our French sisters & brothers in this hour of immense sadness: PM Modi
Appalled by horrific #NiceAttack. I strongly condemn such mindless acts of violence. My thoughts are with the families of deceased: PM Modi— ANI (@ANI_news) July 15, 2016
8.15 am: A law will be submitted to parliament next week to extend the emergency imposed in France by three more months. the emergency was to end on 26th of July.
8.10 am: French President: Extremists hate human rights, which is why they attacked France when it was celebrating its core values.
8.07 am: French Interior Minister Bernard Cazeneuve has said 80 people are now known to have died and 18 people are in a critical condition.
8.06 am: The operation in which 10,000 extra military personnel are supporting non-military security forces in France during the state emergency, has been extended in time and scale. Many will be sent now to France's borders.
8.00 am: NICE attacker is a 31 year old man of Tunisian origin.
7.55 am: Over 150 people were also injured in the mayhem following Nice Attack.
7.51 am: French President said that France is horrifed but France is strong, and France will always be stronger I assure you.
7.50 am: French President Hollande will travel to Nice shortly "to support the city and its representatives at this time of need". He added during the press conference that France is badly hit by this tragedy.
7.48 am: French President in the press conference following Nice Attack said that there were children among those killed
La France est éplorée, affligée, mais elle est forte et le sera toujours plus que les fanatiques qui veulent aujourd’hui la frapper. #Nice— François Hollande (@fhollande) July 15, 2016
7.42 am: France to strengthen action in Iraq and Syria - President Francois Hollande
7.41 am: France's President Francois Hollande extends state of emergency for three months after attack in Nice
Another horrific attack, this time in Nice, France. Many dead and injured. When will we learn? It is only getting worse.— Donald J. Trump (@realDonaldTrump) July 14, 2016
7.37 am: 'Terrorist nature' of #NiceAttack 'undeniable': President Francois Hollande
7.36 am: State of emergency in France will be extended by three months: President Francois Hollande #NiceAttack
7.05 am: This huge panic erupted, everyone was running - Nice attack eyewitness
7.00 am: We heard gunfire, moments later 100s of people started to run from Promenade - eyewitness
#NiceAttack Our Embassy in Paris has opened helpline +33-1-40507070: MEA— ANI (@ANI_news) July 15, 2016
#NiceAttack Our Ambassador in Paris is in touch with the Indian community in Nice. So far no report of any Indians affected: MEA— ANI (@ANI_news) July 15, 2016
#BastilleDay truck attack in Nice: Death toll rises to 75, injured to 50 (AP)— ANI (@ANI_news) July 15, 2016
60 dead after a truck drives into a crowd in Nice(France): AFP— ANI (@ANI_news) July 14, 2016