Jaycee Chan, the son of  the famous action movei star Jackie Chan, has been jailed for six months over a drug offence.Chan, 32, pleaded guilty in Beijing's Dongcheng District Court to "sheltering others to use drugs". Police raided his home in August and found more than 100g of marijuana. He faced a maximum sentence of three years.BBC reports that his arrest came amid a drug use crackdown in China which saw several celebrities arrested. In June 2014, President Xi Jinping ordered police to use strong measures to stop drug use. This confession from the son of one of China's most famous actors underlines a key message from the Chinese government: no-one is immune from China's crackdown on illegal drugs.