 On January 19, the Irgun launched coordinated attacks in Jerusalem, bombing an electrical substation to black out the area as assault teams descended on the police headquarters and central prison located in the Russian Compound and the Palestine Broadcasting Service studios.While the attackers succeeded in damaging the police headquarters and prison with explosives and withdrawing, a British Army patrol intercepted the Irgun fighters on their way to attack the radio station.In the firefight that followed, a British officer and two Irgun fighters were killed, while a third was wounded and taken prisoner.