New: The Houthis in Yemen renew the warning to all workers at the Saudi oil facilities and airports to evacuate, and signal more strikes.

New: The Houthis in Yemen renew the warning to all workers at the Saudi oil facilities and airports to evacuate, and signal more strikes.

The Houthis warned all "experts, engineers and workers at all Saudi oil facilities" to leave areas representing targets, "whether they have been hit in the past or not," to avoid risking their lives.

They also renewed warnings for airlines, airports, passengers and crew previously designated as target areas.