Final UK Plane For Rescue Mission The UK is to charter its third and final flight to evacuate British nationals from the troubled East African state as fighting spreads. The Foreign and Commonwealth Office said the plane would be sent to the capital city of Juba on Monday afternoon and warned that the government would struggle to help anyone who chose to stay behind. An FCO spokesman said: "We strongly advise all British nationals in South Sudan to leave the country if they can do so safely. You may have difficulty leaving in the event of a further deterioration in security. British military transport planes have been used to evacuate two groups of UK nationals over recent days. On Saturday, a US rescue plane was hit by incoming fire leaving four American service personnel injured. Two previous planes have provided an escape route for British nationals From there the wounded service personnel were flown to Nairobi, Kenya, for medical treatment. South Sudan blamed the attack on renegade troops. Fighting broke out in the South Sudanese capital Juba between rival army factions last weekend following a reported coup attempt against President Salva Kiir Mayardit by soldiers loyal to his former deputy. The violence has since spread to other regions and has claimed at least 500 lives, according to the United Nations. Some of South Sudan's worst violence has taken place in Bor Up to 500 people are thought to have been killed since the reported coup