WASHINGTON, May 1 (Reuters) – The ⁠U.S. ⁠State Department said on ⁠Friday that Washington was “troubled” by a Cambodian appeals court’s ​decision that upheld a 27-year sentence for former opposition leader Kem Sokha ‌for his treason conviction. Here are ‌some details: • The appeals court decision on Thursday was another ⁠blow to ⁠an opposition decimated by the ruling party’s long-running crackdown. • Kem ​Sokha, 72, co-founder of the defunct Cambodia National Rescue Party, has been held under house arrest since he was found guilty of treason in ​March 2023. • He was accused of conspiring with a foreign power ⁠to topple ⁠then-premier Hun Sen. • The ⁠United ​States has previously said his conviction was based on “fabricated conspiracy theories.” • Kem ​Sokha’s case was among ⁠the most prominent in a sweeping crackdown on opponents of the CPP, which has ruled Cambodia for decades. • “The United States is troubled by the decision to uphold activist and opposition leader Kem Sokha’s ⁠conviction of treason,” the State Department said in a statement on Friday. • “Claims ⁠of …