On 7 April 2025, H.E. Mr. Maris Sangiampongsa, Minister of Foreign Affairs, signed the condolence book on the passing of H.E. General Khamtay Siphandone, former President of the Lao PDR, at the Embassy of the Lao PDR in Bangkok.

The Foreign Minister was received by H.E. Mr. Khamphan Anlavan, Ambassador of the Lao PDR to Thailand, to whom he expressed his sincere condolences, before joining in mourning the passing of the former President of the Lao PDR.