A Tunisian security source and a French police source later named the suspect as Brahim Aouissaoui.
The French Embassy said he was in hospital after a knife assault though his life was not in danger.
Within hours of the Nice attack, French police killed a man who had threatened passersby with a handgun in Montfavet, near the southern city of Avignon.
After the Nice attack, Prime Minister Jean Castex raised France’s security alert to its highest level.
Ambulances and fire service vehicles were also at the scene. U.S. President Donald Trump voiced sympathy for the people of France after the attack.
A representative of the French Council for the Muslim Faith also condemned the attack.
The assailant said he wanted to punish Paty for showing cartoons of the Prophet Mohammad to his pupils. »