Sign up now for FREE unlimited access to Reuters.com Register BEIJING, Aug 1 (Reuters) – China said on Monday its military would “not sit idly by” if U.S. House Speaker Nancy Pelosi visits Taiwan. The latest warning was issued during a regular briefing by the Chinese Foreign Ministry. Spokesman Zhao Lijian also said that because of Pelosi’s status as the “No. 3 official of the US government,” a visit to Taiwan, which China claims as its own, would “lead to a terrifying political impact.” Pelosi was due to begin a tour of four Asian countries on Monday in Singapore amid intense speculation that she may risk Beijing’s ire by also visiting self-ruled Taiwan. read more Sign up now for FREE unlimited access to Reuters.com Register Writing by Eduardo Baptista, Martin Pollard in Beijing, Editing by Mark Heinrich Our Standards: The Thomson Reuters Trust Principles.