At least 47 police officers injured in Belfast clashes
3 September 2012 Last updated at 19:31 BST
Forty-seven police officers have been injured in riots surrounding a republican band parade in Belfast.
They were attacked with petrol bombs, fireworks, bricks and bottles during hours of disorder at Carlisle Circus.
The PSNI said the initial violence involved up to 350 loyalists. Four officers were taken to hospital.
After the parade took place there was trouble between loyalists and republicans, according to the police.
Mark Simpson reports.