Through electoral manipulation, censorship, and the political use of the Sedition Act and other criminal statutes, the ruling UMNO coalition and its allies have remained in power since 1957. After losing the popular vote in national elections in 2013, the government has engaged in a strong crackdown on civil and political rights, including charging organizers of peaceful demonstrations. Though he had promised to repeal the Sedition Act, Prime Minister Najib Razak pushed through amendments to strengthen it, as well as a repressive counterterror law. In 2015 opposition leader Anwar Ibrahim received a five-year prison sentence on trumped-up sodomy charges. Sharia (Islamic law) courts have increasingly been used to prosecute alleged LGBT activity.