CAIRO - Yemen's Houthi group said targeting Saudi Aramco's installations last week was the beginning of military operations against 300 vital military targets, Houthi-controlled SABA news agency said on Sunday, citing a source in the movement's military.Targets included vital military headquarters and facilities in the United Arab Emirates, Saudi Arabia, as well as their bases in Yemen, SABA quoted the source as saying.Saudi Arabia said armed drones struck two oil pumping stations last Tuesday, after Houthi-run Masirah TV earlier said the group had launched drone attacks on Saudi installations.