Yemen's Houthi rebels killed 3 mariners with an attack on a ship in the Red Sea, a European naval force says, fueling concern over a possible new wave of attacks by the Iran-backed group.

DUBAI, United Arab Emirates (AP) — An attack by Yemen’s Houthi rebels on a Liberian-flagged cargo ship in the Red Sea killed three mariners and wounded two others, a European Union naval force said Tuesday.

The Houthis rebels continued an hourslong attack on Liberian-flagged cargo ship in the Red Sea on Tuesday.The Greek-owned Eternity C "remains surrounded by small craft and is under continuous attack," the United Kingdom Maritime Trade Operations center said on Tuesday.