Kem Sokha (R), deputy leader of the main opposition Cambodia National Rescue Party (CNRP), registers for upcoming elections at a voter registration center in Phnom Penh, Cambodia, Oct. 5, 2016. A group of five lawyers for Cambodian deputy opposition leader Kem Sokha filed an appeal Wednesday after the Phnom Penh Municipal Court last month sentenced Sokha to five months in prison for "refusal to appear" in court over a prostitution case. (Xinhua/Sovannara)