As the 12th United Nations Conference on Trade and Development (UNCTAD) enters its second day, more personalities are touching down to participate.Her Royal Highness, Princess Maha Chakri Sirindhorn of Thailand, arrived in the country this morning with a host of dignitaries.The conference which opened yesterday and expected to end on April 25 will feature eight heads of state as well as over 4500 participants are expected to participate in the conference.Already in the country are the UN Secretary General, Mr Ban Ki-Moon, Sierra Leonian President, Bai Koroma, Mrs Tarja Halonen, President of Finland and the Brazilian President, Luiz Lula da Silva.Source: GNA