The United States is preparing to order some diplomats and their families to leave its embassies across the Gulf

The United States is preparing to order some diplomats and their families to leave its embassies across the Gulf, with three officials citing a possible resumption of hostilities, particularly with Yemen's Houthis.

Two said the entire American mission to Saudi Arabia, including families, could be evacuated. The Riyadh embassy warned today that the Houthi hostilities could escalate rapidly after recent strikes on the kingdom.