Number of victims in fresh attack on French police officers reaches five - UPDATED

The number of those killed in attack on police officers in France has reached five.

Report's French bureau informs that French Minister of Internal Affairs Christophe Castaner cancelled his visit to Turkey. 

French Prime Minister Edouard Philippe is visiting the scene.

17:15

At least four people have been killed in a knife attack inside the Paris police headquarters before the assailant was shot dead, French bureau of Report inform.

The stabbing at the headquarters, located just across the street from Notre Dame Cathedral, happened just after midday on Thursday.

The attacker was reportedly an employee who worked as administrative officer of the Direction du Renseignement de la Préfecture de Police de Paris (DRPP).

French prime minister Edouard Philippe and Minister of the Interior Christophe Castaner are at the scene.

The attacker was killed.