Philadelphia curfew extended through Sunday morning
Mia Morrison updates
Police are estimating that there are about 6,000 protesters in Washington, DC, according to the DC Police Traffic, a division of the Metropolitan Police Department.
At 12 p.m. ET, there were approximately 3,000 people at the Lincoln Memorial and another 3,000 at 16th and I St, NW, near the White House, DC Police Traffic said.
CNN staff on the ground in DC note there are protesters gathering at other locations as well, including Capitol Hill.
Read the tweet from DC Police Traffic: