The Rubymar cargo ship, attacked last month, has sunk in the southern Red Sea, Yemen’s internationally recognised government said in a statement on Saturday. The government statement said the ship sunk on Friday night and warned of an “environmental catastrophe”. The ship was carrying more than 41,000 tons of fertilizer when it came under attack, the U.S. military’s Central Command previously said. If verified, it would be the first vessel lost since Houthi militants began targeting commercial shipping in November, in solidarity with Gaza which has been bombarded by Israel since October 7. The…