Momentum: Libyan rebels advancing towards Tripoli

Nato aircraft dropped leaflets warning troops loyal to Colonel Muammar Gaddafi to abandon their posts outside the town.

The leaflets carried the alliance’s symbol and a picture of an Apache attack helicopter and burning tanks.

Alongside the images a message in Arabic said: “When you see these helicopters, it means it is already too late for you. There is no place to hide. If you continue threatening civilians, you will be killed.”