4 people today have been killed in the stabbing at the Paris law enforcement headquarters, in accordance to CNN affiliate BFM Television.

Loïc Travers, a law enforcement union secretary, informed BFM Tv set that 5 were dead, including the attacker.

The motive of the attacker, who was a longtime administrative personnel for the police, is nevertheless mysterious.

“He has been with us for over 20 a long time,” Travers reported, talking outside the house the law enforcement headquarters.