Portland police and Oregon State Patrol officers work together to arrest a protester in front of the Portland Police Bureau North Precinct on the 75th day of protests against racial injustice and police brutality on August 11, 2020 in Portland, Orego PORTLAND, Ore. (AP) - Oregon State Police will return to Portland to help local authorities after the fatal shooting of a man following clashes between President Donald Trump supporters and counter-protesters that led to an argument between the president and the city's mayor over who was to blame for the violence.Protesters were back on the streets for a demonstration Sunday night outside a public safety building.