Fighting in Tripoli as rebels reach city

Bloody battles have been raging in the Libyan capital Tripoli, as reporters travelling with rebels forces say they have reached the city from the west.
Hundreds of rebels have been seen streaming in vehicles towards the city yesterday.
An AFP correspondent saw crowds of civilians running alongside rebel vehicles as they drove in at dusk.
Col Muammar Gaddafi has gone on state TV to say he will not abandon Tripoli. His supporters say he has tens of thousands of fighters to defend him.
Near a hotel used by foreign journalists in Tripoli long bursts of automatic fire could be heard yesterday afternoon.
Rebel forces have advanced from the east and west in recent days, backed by Nato aircraft enforcing a UN resolution to protect civilians.
Critics accuse the alliance of overstepping its mandate by helping the rebels--an allegation it denies.
As one force of rebels arrived from the west, another was setting up checkpoints in suburbs on the eastern outskirts.
It is clear there have been bloody battles in parts of Tripoli, the BBC's Matthew Price reports from the city.
In areas where the fighting has not been taking place, people are said to be staying indoors, our correspondent adds.
Gunfire was heard to the east, west and south of the city centre. Four loud explosions were also heard.
A government source told Reuters news agency that 376 people had been killed overnight on both sides and more than 1,000 wounded.
Unconfirmed rebel reports say a group of fighters slipped into Tripoli by sea from Misrata and engaged pro-Gaddafi forces in the city's eastern Tajoura district, where clashes between opponents and supporters of Col Gaddafi have been reported since Saturday.
Unrest was also reported in the eastern districts of Soug Jomaa and Arada.
Rebels have taken the base of the Khamis Brigade, one of the best-trained and equipped units in the Libyan military, commanded by a son of Col Gaddafi.