Talks with senior Houthi officials are underway to try and get the workers released.

The move reverses President Biden's decision to remove the group from the US' terror list.

Israel claimed responsibility for the strikes, saying it had targeted Houthi "military infrastructure".

Ismail Haniyeh was Hamas's most prominent leader until his death in July.

The Israeli military said attempts to shoot down a projectile launched from Yemen had been unsuccessful and that it had landed in a public park.

Houthi-run media say nine people were killed, hours after a Houthi missile was shot down over Israel.

The navy destroyers were unharmed and repelled the attack, the Pentagon said.

Large explosions were heard in some of Yemen's largest cities, including the capital Sanaa.