Some 80 people are reported to have died at the Bataclan concert hall in central Paris.
Gunmen took many hostages there before being overpowered by police.
Others died in a reported suicide blast near the Stade de France and gun attacks on city centre restaurants. Seven attackers are reported killed.
Paris residents have been asked to stay indoors and about 1,500 military personnel are being deployed across the city.
(BBC News)