This was reported by the BFMTV channel, citing sources.

It is noted that a friend of the suspect in the attack on the teacher was detained. 

As the TV channel clarifies, by now the relatives and the closest circle of the alleged killer have also been detained.

Earlier in the suburbs of Paris, a young man beheaded a teacher, the attacker was shot dead by the police.

French President Emmanuel Macron called the murder a terrorist attack.