Rebels enter Tripoli as Gaddafi urges Libyans to take up arms

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Rebels have reportedly entered Tripoli from the west as fighting in Libya appears to be intensifying. Some estimates put the death toll from this weekend alone in the hundreds - with around a thousand injured. It's also believed that major clashes have seen the rebels capture the capital's Mitiga airbase. Opposition forces also claim to have freed prisoners locked up during the uprising against Gaddafi's regime.