The US attacked a key Yemen oil port controlled by the Houthis overnight and killed dozens of people, according to the Iran-backed militants, raising the specter of a widening conflict in the Middle East.

U.S. airstrikes targeting an oil port held by Yemen’s Houthi rebels killed 74 people and wounded 171 others, the group said Friday.

U.S. airstrikes targeting an oil port held by Yemen's Houthi rebels killed dozens and wounded more than 100 others, the group says.