MILAN (Reuters) - The Panama Maritime Authority has revoked the registration of search and rescue ship Aquarius 2 in a move that means there will be no charity rescue ships off the Libyan coast in the near future unless the vessel can find a new flag to sail under. Aquarius 2, the one remaining charity rescue vessel still operating in the Central Mediterranean area, is currently at sea with 58 survivors on board. The decision by the Panama Authority (PMA) means that once the ship comes into port it will be deflagged and will not be allowed to operate again...