Video report by ITV News Correspondent Emma Murphy
At least 84 people have been killed and 200 injured after a lorry driver ploughed into crowds celebrating France's national Bastille Day in Nice on Thursday.
Here is what we know about the victims:
Sean and Brodie Copeland
Sean Copeland, 52, from Austin, Texas, was killed in the attack along with his 11-year-old son Brodie.
Brodie was a member of Hill Country Baseball club, who posted a picture of the youngster on Facebook, and paid tribute to the "wonderful family".
Mother-of-seven Fatima Charrihi, a French Muslim, is thought to have been the first victim to be killed.
Her son Hamza, who tried to resuscitate her at the scene, told French newspaper L'Express, she was a "great mum".
He added: "She wore the veil, practising an Islam of the middle ground. A real Islam. Not that of the terrorists."
Michael Pellegrini and five of his family members
Michael Pellegrini, 28, was an economics and social sciences teacher in Longwy who died along with five members of his family in the Nice attack.
His mother Veronique, 55, and grandparents Gisele, 63, Germain, 68, were killed as were his mother's in-laws Francois and Christiane Locatelli, aged 82 and 78.
The sole survivor of the tragedy was Veronique's husband Christophe Lyon who is said to be too traumatised to speak.
Russian Victoria Savchenko was a student at the Moscow-based Academy of Finance.
The 21-year-old was watching the fireworks with a friend - who survived - on the promenade when the lorry careered into her, killing her instantly.
Swiss national Linda Casanova, 54, was visiting Nice on Bastille Day with her husband.
She was confirmed to be among the dead by her brother Ivano Casanova.
Olfa Bent Souayah Khalfallah and her son Kylian
The Tunisian national was killed in the attack along with her four-year-old son Kylian. His father Tahar Mejri is said to have survived the tragedy.
Four-year-old Yannis died on the promenade.
His father Mickael told Le Parisien: "I am empty. It's as if my heart has been ripped out."
The 60-year-old French resident lived in Marcigny in eastern France. He was an industrial supervisor and coach at a local athletics club.
Mayor Louis Poncet described him as "a very dedicated man".
Nicolas Leslie, a 20-year-old student from the USA, had been undertaking a summer programme in Nice.
Mr Leslie was a student at the University of California, Berkeley, and was one of four of the university's students caught up in the attack.
The 27-year-old died pushing his wife, who was seven months pregnant, out of the way of the lorry. It is unclear whether she survived.
The couple lived in Paris and were in Nice for the holiday.
The 48-year-old was a high-ranking police officer, a deputy commissioner of the local border police.
He was off-duty when he was killed as he enjoyed the fireworks with his girlfriend and her daughter.
Mehdi H was the 12-year-old son of a Nice football referee, who also lost his sister-in-law in the attack.
Mehdi's twin sister is reportedly in a coma.
An unnamed girl who was with the family on the promenade was also killed, the local referees' association told AFP.
Laurence Tavet, 49, and two of her grandchildren
Laurence Tavet, 49, who was married to an Algerian, was killed along with two of her grandchildren.
One of her grandsons, Yannis, aged seven, had come to visit her on holiday, the Algerian Foreign Office said.
Magdalena and Marzena Chrzanowska
The Polish sisters died, aged 20 and 21, were on holiday with their two other sisters when they were killed.
The 70-year-old Algerian national was visiting her daughter and grandson in Nice when she was killed.
Two other children from Algeria also died, the Algerian government said.
The 44-year-old Frenchman was the son of a deputy mayor who lived in the small village of Roquebilliere where he owned a small fish business.
His partner, who he was with at the time, was slightly injured in the attack.
Mr Bonnet loved hunting and fishing and is survived by his 21-year-old daughter.
Another Tunisian national, Bilal Labaoui, 25, was with his brother Walid when the lorry careered towards them.
Walid spent the night kneeling on the road by his brother's body, according to French newspaper Le Monde.
Tunisian mechanic Abdelkader Toukabri, who was in his late 50s and worked in Nice, was also killed.
Mother-of-two Mino Razafitrimo, 31, was with her two children aged four and six, who survived.
She was a "joyous person very involved with the Malagasy community in Nice", a friend told AFP.
German teacher and two pupils
A German teacher and two of her students from Berlin's Paula-Fuerst School were killed, the Berlin mayor's office said.
Carla Gaveglio, Maria Grazia Ascoli, Gianna Muset and Angelo D'Agostino and Mario Casati all died in the attack, Italy's foreign ministry said.