Police officers late Friday surrounded a group of about 100 and charged 13 with crimes after a protest devolved into a riot. Members of the crowd, wearing all black and chanting far-left slogans, broke windows at an apartment building and several other structures in the Pearl District neighborhood around 9 p.m. before they were surrounded. The crowd ignored warnings to stop vandalizing buildings and disperse. Officers blocked all exits from Northwest Marshall Street between Northwest 13th Avenue and Northwest 14th Avenue, the Portland Police Bureau said in an incident summary. “The group was advised that they were being detained for investigation of crimes, they were not free to leave, and they should comply with officers’ lawful orders. Failure to comply may result in arrest or force being used against them to include, but not limited to, crowd control agents, impact weapons, or tear gas. Legal observers, press, and anyone who was …