Attack on prison, which Houthis say killed 68, raises fresh questions over US military operations in regionYemen’s Houthi rebels have vowed to continue attacks in the Red and Arabian seas hours after a suspected US strike targeting the militia killed dozens of African migrants.The airstrike struck a detention centre holding hundreds of African migrants in the city of Saada, killing 68 and injuring 47, according to the Houthis. Continue reading...