The area controlled by Libya’s embattled leader Col Muammar Gaddafi is shrinking, reports say, as the opposition consolidates its gains.
Witnesses say the capital, Tripoli, is heavily guarded by pro-Gaddafi forces, with tanks deployed in the suburbs.
Videos on the internet suggest a town 50km (30 miles) west of Tripoli has fallen to anti-government forces.
Thousands of foreigners are meanwhile still trying to flee Libya through ports, airports and overland.
The US, China and many European countries have sent in planes, ships and ferries to help people flee.
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