Crowds clashed with police during May Day marches in several U.S. west coast cities late on Friday, as officers responded with stun grenades and pepper spray, police and media said.
A fifth day of nationwide protests against police violence was set to begin on Sunday after overnight clashes in two West Coast cities as New York's police commissioner said an internal investigation into a chokehold death could last four months.
Gunfire erupted at an apartment complex in Federal Way, a city south of Seattle, and five people were reportedly shot to death, including a suspect who was shot by arriving officers.