The climax of the marching season in Northern Ireland has been marred by a night of violence in Belfast.
Pro-British loyalists have planned huge parades across the province to mark the occasion, the date of a key battle which helped secure Protestant supremacy in Ireland.
But violence flared among Republicans and police in Catholic areas of West Belfast. The security services used rubber bullets and tear gas to control the crowd of up to 200. Twenty two police officers were injured during the confrontations, but none of them seriously. Stones and petrol bombs were thrown, a bus was hi-jacked and several vehicles damaged by the rioters.
Politicians from all parties have condemned the violence.