Thailand's HRH Princess Sirindhorn admitted to hospital

In this handout photograph taken on August 20, 2013 and released by the President's Office on August 21, 2013 Thai Princess Maha Chakri Sirindhorn (R) and Japanese Princess Tsuguko of Takamada take photographs during the Esala Perahera festival in the central town of Kandy.

HRH Princess Maha Chakri Sirindhorn has been receiving treatment at Chulalongkorn Hospital since Friday, according to the Royal Household Bureau.

A statement released yesterday said the Princess was admitted with a stomach ache and fever. A diagnosis showed she had a ureteral stone.

The medical team treating the Princess has advised that she stay in the hospital and temporarily refrain from working.

The Princess is being given antibiotics and analgesics to relieve the pain.