There have been at least two shootings and three explosions in Paris, leaving dozens dead, according to police sources. Hostages were also being held at a concert hall in the city.
In the wake of the attacks, French President Francois Hollande said he was locking down the borders of the country and declaring a state of emergency.
The explosions took place near the Stade de France stadium, one of the sources said. It was not clear where the shootings took place.