There was no immediate confirmation from Saudi Arabia, which is leading a military coalition that has been battling the group for more than six years.

The Houthis, who ousted the Saudi-backed Yemeni government from power in the capital, Sanaa, in late 2014, have repeatedly launched cross-border drone and missile attacks on the kingdom.

The Saudi-led coalition says it intercepts the majority of assaults.

The United States and the United Nations are pressing for a nationwide ceasefire deal to help end the war in Yemen, which has caused what the U.N. calls the world's largest humanitarian crisis.