From the SPD Blotter:
On 11-27-10, a concert was going on at [Studio 7] in the 100 block of S. Horton St. At approximately 2:00 a.m., a disturbance started inside the club after a fight broke out. The manager stated that someone also made it past security and dispersed at least one can of mace.
During the disturbance, a wall at the club was broken out and approximately 600-700 people filled the streets. Several people were assaulted including one male being knocked unconscious. Approximately 15 officers were needed to get the situation under control and the people moved along.
Seattle Fire Department staged at 1st and S. Horton to treat the affected patrons from the mace inside and the various assaults. The various victims of the disturbance did not want to follow up with the police.