By Renee Maltezou and Jonathan Saul ATHENS (Reuters) -Rescuers pulled six crew members alive from the Red Sea after Houthi militants attacked and sank a second ship this week, while the fate of another 15 was unknown after the Iran-aligned group said they held some of the seafarers.

Six crew members have been recovered and at least three others killed after a cargo ship was attacked by Yemen's Houthis and sank in the Red Sea, a European naval mission says.The Liberian-flagged, Greek-operated Eternity C was carrying 25 crew when it sustained significant damage and lost all propulsion after being hit by rocket-propelled grenades fired from small boats on Monday,

Yemen’s Houthi militants sank two commercial ships and killed sailors during three days of attacks in the Red Sea this week — a stark reminder to vessel owners and crews of the risks of traversing the maritime chokepoint.