Libya: rebels claim to have shot down jet

Libyan forces have been launched fresh offensives again Zawieh, 30 miles from Tripoli, and Misrata, 125 miles to the east. Rebels said some 2,000 troops loyal to the regime had surrounded Zawieh, but that they had succeeded in holding on to the town centres. "An aircraft was shot down this morning while it was firing on the local radio station," a witness, who was identified only as Mohamed, said by telephone from Misrata. "Fighting to control the military airbase started last night and is still going on," he added