On 18 April 2011 HM the King left the capital city Phnom Penh for the People’s Republic of China on medical treatment. HM the King was seen off at the airport by high ranking officials mainly President of Senate Samdech Chea Sim, Prime Minister Samdech Hun Sen, Senior Minister in charge of Royal Palace Affairs H.E. Mr. Kuy Sophal, Minister pres Royal Palace Ministry, H.E. Mr. Chhea Horn, Ambassador Extraordinary and Plenipotentiary of the People’s Republic of China to the Kingdom of Cambodia H.E. Mr. Pan Kuansu, members of the Royal Family and high ranking Government officials. Deputy Prime Minister and Royal Palace Minister Samdech Chauvea Veang Kong Sam Ol accompanied HM the King to the People’s Republic of China.