French police have shot dead a man outside a police station in northern Paris.
He attempted to enter the building holding a knife.
He was also wearing what looked like an explosive vest - but police now say it was fake.
# paris lockdown after attempted attack on police: resident tells me "what can police can do? 100s 1000s live here" pic.twitter.com/erq4ObWd0k
— Vivienne Walt (@vivwalt) January 7, 2016
It comes on the first anniversary of the Charlie Hebdo attacks which claimed 17 lives.
I've been speaking to Vivienne Walt, Paris Correspondent with Time Magazine, who is at the scene.
I began by asking her to take us through what happened:
Meanwhile, the French President has praised the courage of police officers who died protecting people in Paris during last year's terror attacks.
Francois Hollande's leading events in the city to mark one year since the shootings at the Charlie Hebdo offices and a jewish supermarket.
Alain Couanon was one of the hostages held in the shop.
He says the gunman - who killed four people - was strangely polite:
