U.S. airstrikes targeting Yemen’s capital killed 12 people and wounded 30 others, the Houthi rebels said early Monday.

The death toll from US airstrikes on an oil port in western Yemen has risen to at least 74 people, the Houthi-run health ministry reported, marking the deadliest day since the United States escalated its aerial campaign against the Iran-backed group last month.

US airstrikes targeting Yemen's capital killed 12 people and wounded 30 others, the Houthi rebels said early Monday.