By Daniel Trotta (Reuters) -The Ohio city of Akron declared a state of emergency on Monday, setting a curfew and canceling Independence Day fireworks, after protests over the police killing of an unarmed Black man turned unruly on Sunday night. The protests broke out after police released body camera video that showed eight officers shooting at Jayland Walker, 25, as he fled a traffic stop last week. Walker’s body was found to have some 60 gunshot wounds. Daytime protests on Sunday were peaceful but, despite pleas from the Walker family that demonstrations remain peaceful, Akron police declare…