The bodies of at least 120 migrants have been found off Tunisia\'s coast after a Europe-bound boat capsized, UN and Red Cross officials say. An operation to rescue passengers began off the Tunisian Kerkennah islands on Wednesday. According to Tunisia\'s Tap state news agency, 570 people were rescued, but up to 270 went missing in the stampede to get off the boat. The mainly migrants were on a boat bound for Italy from Libya. The passengers, mostly from West Africa, Pakistan and Bangladesh, had set sail from Libya\'s capital Tripoli on Saturday afternoon.