Collins

Four hundred to five hundred people were arrested in San Francisco on the evening of May 1, 1992, two days after the announcement of the jury verdicts in the state criminal trial of the Los Angeles police officers who beat Rodney King. Among those were the named plaintiffs, who subsequently filed a class action against the City and County of San Francisco, then-Mayor Frank Jordan, and a number of highly-ranked San Francisco police officers, including then-Police Chief Richard Hongisto. Defendants moved for summary judgment on the merits and on the ground of qualified immunity. 1 With minor *1367 exceptions, the district judge denied the motions. Defendants (other than the City and County of San Francisco) appeal the district court’s refusal to grant them qualified immunity. 2 The appeals raise important First and Fourth Amendment issues. We affirm in part and dismiss in part for lack of jurisdiction.

Facts

On April 30,1992, the day after the verdict in the first Rodney King beating trial was announced, a number of peaceful, though angry, demonstrations occurred in various parts of San Francisco. There was also a large not-so-peaeeful demonstration in the downtown Civic Center…