Arab coalition spokesman said Houthis started using simultaneous attacks tactic Houthis killed 11 people in an attack on Aden on Thursday DUBAI: The Royal Saudi Air Force and Royal Saudi Air Defense destroyed a number of Houthi drones targeting civilian airports in the Kingdom, Saudi state news agency SPA reported on Monday. Arab coalition spokesperson Col. Turki Al-Maliki said the militants had started carrying out simultaneous attacks as part of their terrorist tactics. Similar tactics were used in Aden on Thursday, Aug. 1 when a military parade was targeted killing 11 people, with the assistance of a Daesh affiliate. Al-Maliki said attacks which target civilians are a breach of international humanitarian law and are considered a war crime and he said the coalition would continue fighting the Houthis, which he said was legal under international law.