FEARS were mounting last night for the safety of six British aid workers taken hostage aboard a ship chartered to ferry supplies to Gaza. The captain of their hired ship went berserk in a row over money and fled the Libyan port of Derna with ten campaigners on board. The group were stranded on the Strofades IV ferry after it tore away from its moorings without permission. Witnesses told how one of the "Road To Hope Convoy" campaign vans was hanging out the ship's rear doors. The Greek captain was seen leaping on to a speedboat to another vessel. Last...