Attacks have been aimed at sporting events, schools and religious sites following the killing of 86 people at Nice in July.
The detained were all from the region around Nice in south-east France, suspected of helping Mohamed Lahouaiej Bouhlel mount his attack on July 14th, when he drove a truck into Bastille Day crowds on the Nice seafront causing the deaths of 86 people.
City of Nice is latest resort to lift controversial ban on burkinis in line with a national court ruling but two beaches in Corsica still prohibit them.
Photos of a Muslim woman surrounded by police and stripping off her shawl have prompted protests from French Council of the Muslim Faith.
Next month's European Road Cycling Championships will not take place in the French city where 85 died in lorry attack on July 14th.
Pierre Hattermann, whose wife and son also died in the July 14th attack in the Mediterranean city, has succumbed to his injuries.
Manuel Valls accused conservative opposition of mounting campaign over police numbers on night of Bastille Day attack for 'purely political' reasons.
Nice municipal policewoman insists that national police attempted to doctor recdords over policing presence the night of Bastille Day massacre.
The demand, officially to avoid the gratuitous use of images, came amid a dispute between local and national authorities after the attack which left 84 people dead.
Since the Bastille Day massacre in Nice last week, in which 84 people died, never has the French mainstream Right employed so much energy into mimicking its far-right rival, the Front National, writes Mediapart political correspondent Hubert Huertas, who argues that the attack in Nice is in the process of fragilising French democracy, which is exactly what the Islamic State group, which claimed responsibility, hopes for.
The Tunisian who on July 14th killed 84 people among crowds on Promenade des Anglais had carefully prepared attack says Paris public prosecutor.
Amid criticism from local political figures, the government orders police inquiry to establish security in place on July 14th when 84 died in truck attack.
The Bastille Day attack in Nice, when a Tunisian immigrant from the city drove a truck into crowds walking the seafront Promenade des Anglais, killing 84 people, has heightened the already prevalent racial and social tensions in the Riviera capital. Ellen Salvi reports from Nice, where local politicians have long fuelled the fires of division that threaten to engulf the city.
Manuel Valls and other officials were booed at a packed ceremony on the Promenade des Anglais amid criticism of security policy in wake of Bastille Day outrage.
Three new arrests were made on Sunday as French investigators attempt to establish whether Mohamed Lahouaiej Bouhlel, the 31-year-old Tunisian who drove a heavy truck into Bastille Day crowds in Nice on Thursday, killing 84 people, received help from accomplices in preparing the massacre. Fresh evidence emerged this weekend suggesting he had carefully planned the attack, including CCTV footage of him reconnoitring the scene earlier last week. But despite a claim by the Islamic State group that Bouhlel was a "soldier" for the jihadist group, his motive remained unclear. Meanwhile, French health minister Marisol Touraine said on Sunday that “about 85 people” were still hospitalised after the carnage on July 14th, of which 18, including a child, were in a life-threatening condition. Graham Tearse reports.