The US military attacked positions of Iranian-allied militias in Yemen and Syria, the US Department of Defense has announced. Airstrikes were carried out on several Houthi rebel weapons caches in Yemen over the weekend, Pentagon spokesman Pat Ryder said on Tuesday. “These facilities housed a variety of advanced conventional weapons used by the Iran-backed Houthis to target U.S. and international military and civilian vessels navigating international waters in the Red Sea and Gulf of Aden,” Ryder said. In Syria, the US military attacked a weapons depot and a logistics centre belonging to a pro-…