According to Southern Metropolis Daily on June 4, 2012, in six big cities in Guangdong Province, deputy party secretaries concurrently serve as secretaries of the Politics and Law Commission. The Politics and Law Commission secretaries in 21 cities in Guangdong Province no longer serve as heads of Public Security Bureaus. Instead, in these 21 cities, vice mayors serve as heads of the Public Security Bureaus. Wang Yang is the Communist Party Secretary of Guangdong Province.
Source: Southern Metropolis Daily, June 4, 2012