Phnom Penh (FN), Feb. 11 – Cambodian king Norodom Sihamoni and queen mother Norodom Monineath Sihanouk departed Phnom Penh on Sunday morning to Beijing for medical check-up.

According to the royal letter, during the king’s absence, president of Senate Say Chhum will assume the title of the acting head of state.

King and queen mother usually have health checked by Chinese doctors twice a year and always received the warmest hospitality from Chinese top leaders.