Israeli warplanes struck three administrative and military targets in Syria's Golan at dawn on Tuesday, killing two security guards and two women, the Syrian Observatory for Human Rights."Israeli planes flying over the occupied Golan Heights launched rockets into southern Syria's Quneitra province at around 1:15 am (2215 GMT). Rockets hit Base 90 -- a Syrian military airbase -- and regime bastion Baath City. Four people were killed," the watchdog said.