Complex sentence: When it became clear that the royal family continued to support Prem, the coup failed; although Pallop fled to the Lao PDR to escape punishment, he was jailed for two months by the Laotian government.
Split into simpler sentences: When it became clear that the royal family continued to support Prem, the coup collapsed and Pallop fled to the Lao PDR to escape punishment. He was jailed for two months by the Laotian government.