China today hit back at leading internet search engine Google, saying its move to stop censoring web content in the country violated its written undertaking. It also warned the serach engine against violating rules.<br/><br/>Chinese Foreign Ministry spokesman Qin Gang said, the decision whether to stay or leave China was Google's own if the US company wanted to stay in the world's<br/>largest internet market it would have to follow the country's laws and international practices.<br/><br/>Qin told a media briefing in Beijing that the government is filtering Google's contents which he said will harm the national security and social interests.<br/><br/>In a fresh move after a long-drawn war of words, Google stopped censoring its internet content in China today and redirected its Chinese users to an uncensored site in Hong Kong, in retaliation to China's refusal to restrict censorship which included intrusive verification of emails of dissidents.<br/><br/>Google's move was seen as a prelude to winding up of its Google dot cn operations. Google has also accused China of hacker attacks.<br/><br/>The American search engine enjoys about 30 per cent of the 400 million strong Chinese market and the rest controlled by China's search engine Baidu dot com.<br/>