A demonstrator holds her hands up while she kneels in front of the Police at the Anaheim City Hall on June 1, 2020 in Anaheim, California, during a peaceful protest over the death of George Floyd. – Major US cities — convulsed by protests, clashes with police and looting since the death in Minneapolis police custody of George Floyd a week ago — braced Monday for another night of unrest. More than 40 cities have imposed curfews after consecutive nights of tension that included looting and the trashing of parked cars.