UNITED NATIONS - Libya has appointed Ali Abdussalam Treki, a senior diplomat, as its UN envoy to the United Nations, replacing an ambassador who defected in the wake of protests against Libyan leader Muammar Qaddafi, a UN spokesman has said. The Secretary General (Ban Ki-moon) has received correspondence from the Libyan authorities, Spokesman Martin Nesirky told regular noon briefing Friday. That correspondence names Dr Treki as the person they wish to have as the permanent representative of their country. Libya is a recognised member of the United Nations, Nesirky said while answering questions whether embattled Qaddafi could make such a move. When any country sends a letter naming the permanent representative, that person is the person who will be recognised as the permanent representative. Nesirky added, however, that Treki would need to present his credentials to Ban in New York in order to become the Libyan ambassador. The United States has a treaty with the United Nations covering visa issuance, but Washington reserves the right to deny visas under certain circumstances. Agencies add: More than 191,000 people have fled the violence in Libya, where opponents of Moamer Kadhafi are seeking to oust the veteran ruler, the United Nations said. In total "191,748 people, mainly immigrant workers have fled Libya,"the UN's Office for the Coordination of Humanitarian Affairs (OCHA) said in a report citing figures from the International Organisation for Migration. As of Thursday the bulk of these, 104,275, had fled into Tunisia. However forces loyal to Kadhafi were in control of the Tunisia-Libyan border and were slowing down the passage of more refugees, OCHA added. About 3,500 Bangladeshi workers had made it home by Saturday from strife-torn Libya, but tens of thousands of others were still stuck in the country with little prospect of getting out soon. Meanwhile, French Foreign Minister Alain Juppe said Saturday his country was seeking a United Nations Security Council resolution to impose a no-fly zone in Libya. "We are working in New York with the British to get a UN Security Council resolution creating an air exclusion zone to avoid bombings," he said in Bordeaux. "We are watching very carefully" the situation in Libya and "this morning I spoke by telephone with minister Younes" Abdel Fatah, the interior minister who has resigned and is now in the rebel stronghold of Benghazi. "We are on the side of all those who want to win their freedom and make a successful democratic transition," Juppe said shortly before leaving for Egypt and his first official visit outside Europe since being appointed. On Sunday he was due to meet in Cairo the secretary general of the Arab League Amr Moussa. Meanwhile, an Italian navy patrol boat set out for Libya on Saturday with a cargo of aid, as part of a humanitarian mission to help refugees uprooted by the Libyan crisis, the Ministry of Defence said. The 'Libra' carried tents, 4,000 blankets, water purification kits, power units and first aid kits to Benghazi, the second largest city in Libya and a stronghold for rebels fighting to unseat veteran ruler Moamer Kadhafi. The boat, which set out from Catania in Sicily, also carried two tanks of water - one holding 3,500 litres, the other 7,500 - as well as five tons of rice and milk each, according to Ansa news agency.