Two boats filled with humanitarian supplies travelling from Mexico to Cuba have been located days after contact with them was lost in the Caribbean, organisers say. The boats were located by the Mexican Navy and the crews are safe, a spokesman for the Nuestra America Convoy said. He did not explain why the two boats - the Friendship and Tiger Moth - had disappeared. They are among several vessels that have sought to carry supplies to the island nation since the US imposed an oil blockade in