DUBAI, United Arab Emirates (AP) — A Liberian-flagged cargo ship attacked by Yemen’s Houthi rebels sank Wednesday in the Red Sea, with a European naval force in the Mideast saying that only six of 25 people who were on board have been rescued.

The attack on the Greek-owned bulk carrier Eternity C in the crucial maritime route came after the Houthis attacked a similar ship called Magic Seas.

Houthi attacks on cargo ships in the Red Sea killed three crew members, sank one vessel, and left a second without propulsion in signs the Tehran-backed group is once again