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

　　A police spokesman said the devices were made safe by explosive experts in the Aldon district where a woman was shot at the leg and 13 police officers were injured during a second successive night of violence. Northern Ireland police chief had earlier called on community leaders to work together to end the violence. The violence has rubbed sporadically through the summer of subterraneous tension in northern Belfast.