Secret Service agents rushed President Donald Trump to a White House bunker on Friday night as hundreds of protesters gathered outside the executive mansion, some of them throwing rocks and tugging at police barricades.
Bystander video showed the crowd parting seconds before the semi rolled through.
The scale of the protests, sweeping from coast to coast and unfolding on a single night, rivaled the historic demonstrations of the civil rights and Vietnam War eras.
Deputies were recovering from injuries, nightly curfews were issued and the cleanup of smashed store windows began Sunday around Florida after a night of unrest.
Firefighters mopped up hot spots from lingering fires while store owners swept up glass and boarded up broken windows to protect what's left of their inventories
The NYPD said at least 120 people were arrested and at least 15 police vehicles damaged or destroyed.
The Los Angeles mayor said National Guard troops were being sent in to the nation's second-largest city.
Tense protests over the death of George Floyd and other police killings of black men grew Saturday from New York to Tulsa to Los Angeles, with police cars set ablaze and reports of injuries mounting on all sides.
Officials say the area had been looted by rioters from the chaotic Center City protests.
As the night dragged on, fires erupted across the city's south side, including at a Japanese restaurant, a Wells Fargo bank and an Office Depot.