A man wielding a knife has fatally stabbed four officers at police headquarters in Paris
The attacker was shot dead at the scene by a police officer, according to a statement by the Alliance police union.
There are reports that the suspect worked in building in an administrative capacity.
There has been no official word on the motive for the attack, which took place near to Notre-Dame de Paris cathedral.

Netanyahu officially asks Israeli president for pardon
Pope Leo takes peace message to Lebanon, target of Israeli strikes
Tropical storm deaths top 600 in Southeast Asia
Death toll hits 212 as Sri Lanka struggles with Cyclone Ditwah impact
Mourners flock to site of deadly Hong Kong blaze as 146 confirmed dead
