The Dutch-flagged cargo ship Minervagracht was ablaze and adrift in the Gulf of Aden on Tuesday, a day after being hit by an explosive device, its operator and the EU maritime mission Aspides said.Yemen's Houthi militants claimed responsibility on Wednesday for the attack, saying it was carried out by a cruise missile.The strike injured two sailors and forced a helicopter evacuation of the ship's 19 crew members, according to the EU maritime mission Aspides and the vessel's operator.Amsterdam…