Rebels in the Libyan city of Misrata say, they have pushed government troops back from its outskirts. Misrata, the only city in western Libya under rebel control, has been under siege from forces loyal to Muammar Gaddafi for two months. Rebels and civilians have come under heavy fire from the pro-Gaddafi forces. The rebels say, the city is still surrounded but they have advanced about 30 kilometres west towards Tripoli.Libyan state media said that NATO aircraft bombed military and civilian targets in Misrata and nearby town of Zlitan yesterday. Medical sources say, at least 300 people have been killed in the weeks of fighting in Misrata.NATO Secretary General Anders Fogh Rasmussen told reporters that Gaddafi has been stopped in his track and that his time is running out.