There have been explosions near the Stade de France.
French media say at least 15 people have been killed near the Bataclan arts centre alone. A hostage taking is under way, with reports of up to 60 being held.
The Department of Foreign Affairs are monitoring events.
At least one man opened fire at a restaurant in the 11th district, causing several several casualties.
Three explosions are also reported outside a bar near the Stade de France.
France were hosting Germany in a friendly and the match continued. It has now ended.
An eyewitness told Liberation he had heard more than 100 rounds being fired at a cafe in rue de Charonne.
A massive security operation has swung into operation in Paris tonight; anyone from Donegal should contact the Department of Foreign Affairs.
There has been another shooting in the past 20 minutes at a shopping mall.
The series of coordinated attacks are already being linked to Islamic terrorists.