 In the early hours of 25 October, Stalin joined Lenin in a Central Committee meeting in the Smolny Institute, from where the Bolshevik "coup"—the October Revolution—was directed.Bolshevik militia seized Petrograd's electric power station, main post office, state bank, telephone exchange, and several bridges.A Bolshevik-controlled ship, the "Aurora", opened fire on the Winter Palace; the Provisional Government's assembled delegates surrendered and were arrested by the Bolsheviks.