Black Lives Matter protesters have been sprayed with tear gas in Phoenix after a march against police brutality spiraled out of control.
Police also fired bean bag rounds and pepper spray at the protesters, who were seen running away and shielding their eyes.
One image showed a white man holding a Donald Trump ‘Make America Great Again’ placard interrupting the protest on Friday night.
Less than three hours after the demonstration began at 8pm, police declared the protest an ‘unlawful assembly’ and ordered people to leave after objects were thrown at officers, the Arizona Republic reported.
In Rochester, New York, the SWAT team arrived and police arrested 74 protesters who were blocking the streets. One organizer, Ashley Gantt, said they sat down because they did not want any movement to be misinterpreted as violence after the shootings in Dallas.
Other protests were calmer, with an estimated 5,000 people marching peacefully along a highway in Atlanta as they demanded justice for black men killed by police officers in recent days.
There was a heavy police presence at the Atlanta rally as protesters halted traffic, with officers on high alert following Thursday’s massacre in Dallas.
Gunman Micah Xavier Johnson, 25, shot 12 officers and two civilians on a rampage that killed five Dallas cops.
Friday evening’s protest came as police forces across the country braced for any fall-out from the horrific shooting in Texas.