There are reports of increased gunfire and explosions in Tripoli as fresh
fighting breaks out this morning.

Many casualties are arriving at the one functioning hospital in the city.

NATO jets have also been heard overhead.

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It comes just hours after Colonel Gaddafi's son, who was thought to be under
arrest, talked to the media in Tripoli.

Saif al Islam said his father's troops are fighting back and insisted they
will defeat the rebels.