SFPD officers arrested a man at 16th and Mission at 11:30 a.m.
The man was identified as “Rico” by friends at the scene who refused to give their names.
More than six patrol cars were at the scene for the arrest and a crowd of dozens gathered to see what was happening.
Officers at the scene and at Mission Station declined to comment on the incident.
An onlooker who identify himself as a friend of “Rico” said that plainclothes officers arrested the man for no apparent reason. “They just showed up out of nowhere and arrested the man.”
The article will be updated as information becomes available.

