Twenty men under the command of Cerbulo Varela exchanged shots with the Americans at Government House, which ignited Los Angeles. On September 24, 150 Californios, organized under José María Flores, a Mexican Officer attacked American forces under Gillespie. Gillespie's forces were effectively besieged and surrendered on Sept 29th. Terms called for Gillespie's men to leave Los Angeles, which they did on September 30, 1846, and boarded the American merchant vessel Vandalia. Flores quickly cleared remaining American forces in southern California.
Sept 22-30, 1846