All Google services, including its search engine, Gmail and Maps, were inaccessible in China…the company confirmed. The block comes as the 18th Communist Party Congress, the once-in-a-decade meeting to appoint new government leadership, gets under way…The company said it was not having any technical problems, but did not say whether it believed its sites had been blocked by the government or were the victims of hacking…Google has had a particularly strained relationship with China. In 2010, the company…removed its Chinese language search engine from China and began redirecting traffic to the Hong Kong version of the search engine… [refers to YouTube (part of Google)]