Fresh violence breaks out at Orange Order parade in west Belfast . 100 police officers were injured in attacks on This year , police say . Outbreaks of violence also ignited in East Belfast , Derry and other parts of Northern Ireland . Security forces respond with plastic bullets and a water cannon . Monday has been one of the most violent in Belfast since a peace agreement .
Fresh violence breaks out at Orange Order parade in west Belfast . 100 police officers were injured in attacks on This year , police say . Security forces respond with plastic bullets and a water cannon . Monday has been one of the most violent in Belfast since a peace agreement .