Altogether how many people were injured during the violence? [br] [originaltext

A police spokesman said the devices were made sage by explosive experts in the Ardoyne district where a woman was shot in the leg and 13 police officers were injured during a second successive night of violence. Northern Ireland’s police chief had earlier called on community leaders to work together to end the violence. The violence has erupted sporadically throughout a summer of sectarian tension in northern Belfast.