Portland protests: Mayor demands federal troops leave city

The mayor of Portland in Oregon has renewed his call for federal troops to leave the US city, accusing them of abusive tactics against protesters.

"They are sharply escalating the situation," Mayor Ted Wheeler told CNN on Sunday.

There have been nightly protests against police brutality in the city since the killing of African American George Floyd in Minneapolis in May.

The federal government has said it is trying to restore order in Portland.

Speaking to CNN on Sunday, Mayor Wheeler said there were "dozens if not hundreds of federal...