Thailand's Prime Minister Srettha Thavisin, talks to reporters at Pheu Thai Party headquarters in Bangkok, Thailand, Aug 24, 2023. (PHOTO / AP)

BANGKOK - Thailand's new Prime Minister Srettha Thavisin will miss a regional meeting of Asia's leaders in Jakarta next week, the foreign ministry said on Sunday.

Srettha won a parliamentary vote to become prime minister last month and his cabinet was endorsed by the king on Saturday.

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The prime minister and his cabinet are due to take an oath before an audience with King Maha Vajiralongkorn on Tuesday and will then deliver a policy address in parliament. They can then officially carry out their duties.

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Permanent secretary Sarun Charoensuwan will represent Thailand at the Association of Southeast Asia Nation (ASEAN) Summit, the Ministry of Foreign Affairs said in a statement. It did not say specifically why the prime minister was not attending.