Dozens of people have been killed in Libya this weekend amid the worst violence since the 2011 war that ousted long-time dictator Muammar Gaddafi <br /><br />With the central government unable to impose order, rival militias are exchanging rocket and artillery fire in Tripoli in all-out combat for control of the capital’s main airport.<br /><br />Fighting is raging in other cites too, including Benghazi, where at least 38 people have been killed in clashes between Libyan Special Forces and Islamist militants.<br /><br />Several countries have urged their citizens to leave Libya.<br /><br />A British embassy convoy came under fire on Sunday in an attempted carjacking in Tripoli. No-one was hurt.<br /><br />Turkey has suspended operations at its embassy and the US, whose ambassador was killed by militants in Benghazi in 2012, has closed its embassy in the capital.