China riot police to join Liberia peacekeeping mission BEIJING, July 11 (Xinhua) -- China will deploy a riot police squad to join a UN peacekeeping mission in Liberia, said the Ministry of Public Security here on Thursday. It will be the first time China has sent riot police officers to Africa. The 140-member police squad will set off to Liberia in September, according to a ministry statement. They were selected from field police officers in northeast China's Heilongjiang Province and passed the examination of the UN on July 7 after three months of special training. China has already sent 1,789 police officers to serve in UN peacekeeping missions since 2000.