China warns US on Pelosi's Taiwan visit

US House Speaker Nancy Pelosi lands in Taiwan; China warns of 'severe impact' on ties with US

China on Tuesday warned that US House Speaker Nancy Pelosi's visit to Taiwan disregarding its stern warnings will have a "severe impact" on bilateral ties and her move "gravely undermines" regional peace and stability, as the official media here reported air and ground movement of troops in the Taiwan Straits