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Nice attack: Two more arrests by French police Nice attack: Driver 'researched route' earlier in week
(35 minutes later)
A man and a woman have been arrested in Nice in connection with the Bastille Day lorry attack, French judicial sources have said. The Tunisian man who drove his lorry into crowds of people in Nice researched the route in the days before the attack, French media reported.
More than 80 people died when a Tunisian man, Mohamed Lahouaiej-Bouhlel, ploughed the vehicle into celebrating crowds on Thursday evening. The reports say Mohamed Lahouaiej-Bouhlel drove through the seafront promenade area of the French city on Tuesday and Wednesday in preparation.
Earlier, France called up 12,000 police reservists to boost security in the wake of the killings. More than 80 people died when he ploughed his vehicle into people celebrating Bastille Day on Thursday.
It brings to six the number of people still being held over the attack. Six people are being held in connection with the killings.
The driver was shot dead by police when his vehicle's path along the seafront Promenade des Anglais was eventually halted. The latest, a man and a woman who have not been identified, were arrested on Sunday morning, French judicial sources said.
A source close to the investigation told French news agency AFP that the killer had visited the area on the previous two days to prepare for the attack. Lahouaiej-Bouhlel was shot dead by police when his vehicle's path along the Promenade des Anglais was eventually halted.
A BBC correspondent in Nice says the beaches and cafes are busy and the promenade has been re-opened. Europe 1 radio said CCTV footage from the days beforehand showed him driving through the area in the lorry, closely observing the scene.
France has called up 12,000 police reservists to boost security in the wake of the killings.
A BBC correspondent in Nice says the beaches and cafes are busy again and the promenade has been re-opened.
Many people have taken the opportunity to leave tributes or pay their respects to those, including 10 children, who were killed.Many people have taken the opportunity to leave tributes or pay their respects to those, including 10 children, who were killed.
At the scene - By Tom BurridgeAt the scene - By Tom Burridge
An impressive air of normality in much of tourist-packed Nice is deceptive. As well as grief, bewilderment hangs in the sea air.An impressive air of normality in much of tourist-packed Nice is deceptive. As well as grief, bewilderment hangs in the sea air.
There are tears, hugs and silence at the mountain of candles, flowers and cuddly toys on the beach promenade, where joggers stop and parents bring young children to read the messages.There are tears, hugs and silence at the mountain of candles, flowers and cuddly toys on the beach promenade, where joggers stop and parents bring young children to read the messages.
A large white banner says: Why children? And, in a child's handwriting: Why do you want war?A large white banner says: Why children? And, in a child's handwriting: Why do you want war?
The bloodstains on the tarmac are gradually disappearing. The lampposts the lorry smashed into will be replaced.The bloodstains on the tarmac are gradually disappearing. The lampposts the lorry smashed into will be replaced.
But for those who knew or loved the victims, things will never be the same. More armed police and soldiers guarding the streets will serve as a reminder.But for those who knew or loved the victims, things will never be the same. More armed police and soldiers guarding the streets will serve as a reminder.
Amid the fear and sadness, and the unanswerable questions, defiance acts as a source of comfort.Amid the fear and sadness, and the unanswerable questions, defiance acts as a source of comfort.
He will never defeat us, says one message on the promenade. Another reads: Love defeats hate.He will never defeat us, says one message on the promenade. Another reads: Love defeats hate.
Lahouaiej-Bouhlel's estranged wife, who was detained on Friday, was released on Sunday.Lahouaiej-Bouhlel's estranged wife, who was detained on Friday, was released on Sunday.
Those still being held are said to be close associates of the killer but have not been identified.Those still being held are said to be close associates of the killer but have not been identified.
French President Francois Hollande has called the attack terrorism and officials have said investigators will seek to find out whether the Tunisian had links with extremist groups.French President Francois Hollande has called the attack terrorism and officials have said investigators will seek to find out whether the Tunisian had links with extremist groups.
French Interior Minister Bernard Cazeneuve said Lahouaiej-Bouhlel seemed to have been "radicalised very quickly".French Interior Minister Bernard Cazeneuve said Lahouaiej-Bouhlel seemed to have been "radicalised very quickly".
He was unknown to French intelligence services although he had been in trouble with the police for threatening behaviour, violence and petty theft.He was unknown to French intelligence services although he had been in trouble with the police for threatening behaviour, violence and petty theft.
Tunisian security sources have told the BBC he visited Tunisia frequently, the last time eight months ago.Tunisian security sources have told the BBC he visited Tunisia frequently, the last time eight months ago.
It is not known if he trained in Syria or had any help planning the attack.It is not known if he trained in Syria or had any help planning the attack.
So-called Islamic State said the attacker was acting in response to its calls to target civilians in countries that are part of the anti-IS coalition.So-called Islamic State said the attacker was acting in response to its calls to target civilians in countries that are part of the anti-IS coalition.
Fifty-two of those injured in the assault remain in a critical condition in hospital; 25 of them are on life support. Eighty-five of those injured remain in hospital; 29 are in intensive care and 18 of those are listed as critical.