Tulsa police asking everyone to avoid downtown this weekend, if possible

James Massery, left, of Preston, Okla., and Daniel Hedman, of Tulsa, Okla., supporters of President Donald Trump, camp outside the BOK Center in Tulsa on Tuesday, June 16, 2020, four days before his scheduled rally Saturday. Trump's site for a rally on Saturday stands in what's historically the white downtown, a few hundred feet from a once-thriving black community wiped out by a white massacre in 1921. (AP Photo/Tom McCarthy)