Those slayings added to deaths reported in Detroit and Minneapolis in recent days.
Cars and businesses were torched, the words "I can't breathe" were spray-painted all over buildings, a fire in a trash bin burned near the gates of the White House, and thousands marched peacefully through city streets to protest the death of George Floyd, a black man who died Monday after a white Minneapolis police officer pressed his knee on his neck until he stopped breathing.
At least a dozen major US cities have imposed overnight curfews as protests intensify. They carried away TVs and other merchandise even as some protesters urged them to stop.
Earlier on Saturday, Minnesota Governor Tim Walz activated a "full mobilization" of the Minnesota National Guard in a bid to restore order in the deeply shaken city, which is the largest domestic deployment in the state's National Guard's 164-year history.
Police said Sunday that 75 stores were damaged or broken into overnight and three people were arrested.
Mika Brzezinski Calls Trump ‘Sick’ For Reviving Conspiracy Theory About Joe Scarborough
I will be reaching out to head of twitter about their policies being violated every day by President Tump. Ms Brzezinski then turned to Twitter, saying the company should remove Mr Trump's tweets.
Law enforcement officials responded by cracking down on protesters and journalists alike with tear gas and rubber bullets.
A protester faces riot police advancing through tear gas during nationwide unrest following the death in Minneapolis police custody of George Floyd, in Raleigh, North Carolina, US.
Floyd, 46, whose Memorial Day death during an encounter with Minneapolis police has sparked national outrage and widespread protests, grew up in Houston's Third Ward and was a star tight end on the Jack Yates High School football team, and played in the state championship at the Houston Astrodome in 1992. Some protesters also attacked a NY police van, spray painting it and breaking windows. They were gone before police heard about the protest and drove there to check on the event.
Atlanta's Mayor has announced a curfew will be in effect from 9pm Saturday (11am Sunday AEST) to sunrise Sunday following violence that erupted in the city during demonstrations. In 2014, a cellphone recorded an unarmed black man, Eric Garner, repeatedly saying "I can't breathe" when a NY officer held him in a chokehold before his death in police custody.
"The act of protesting should never be allowed to overshadow the reason we protest", Biden said in a late-night statement. Police said six people were arrested and an officer was injured after being struck in the head with a baseball bat. Authorities said that number would soon rise to almost 11,000.