The UK, the US and France have begun attacking Libya as enforcement of the UN-mandated no-fly zone gets under way.
More than 110 missiles have been fired by the UK and US, officials at the Pentagon say.
UK Prime Minister David Cameron has confirmed that British planes are in action over Libya. Earlier, French planes destroyed Libyan vehicles.
Western planes bombed targets in the capital, Tripoli, said the AFP news agency, quoting witnesses and state TV.