Libya crisis in maps: Day by day
Tuesday, 29 March
Pro-Gaddafi forces used heavy weaponry to check a rebel advance on the coastal city of Sirte, the Libyan leader's birthplace and a key target for westward-advancing rebels.
Rebels have been forced to retreat from the town of Nawfaliya, 120km (75 miles) from Sirte, and from Bin Jawad, some 30km further east.
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