Riots in Northern Ireland Continue

Controversy over how many days a year the Union flag can fly over Belfast's City Hall

The British Government on Tuesday expressed concern over the renewed sectarian tension in Northern Ireland after a fifth consecutive night of violence inBelfast with police claiming that rioters attacked them with hatchets, sledgehammers and petrol bombs.

Police fired plastic bullets and water cannons to control the situation. Several people, including three police officers, were injured in the clashes.