"The crisis is unilaterally provoked by the U.S. Despite China's many representations, the U.S. still allowed Pelosi to visit Taiwan. Faced with this, China has no choice but to fight back and defend its sovereignty and territorial integrity. The responsibility and consequence of the current tensions have to be borne by the U.S. and the 'Taiwan independence' separatist forces," said Vice Foreign Minister Ma Zhaoxu in an interview with CGTN's anchor Liu Xin on Tuesday.