MI5, FBI warn of China espionage

The heads of MI5 and the Federal Bureau of Investigation warned Wednesday about China's commercial espionage thrust in the West, in a rare joint address at the British intelligence service's London headquarters. Speaking to an audience of officials and business executives in Thames House, MI5 Director General Ken McCallum and FBI Director Chris Wray said the threat from Chinese spies is paramount in both countries and only continues to grow. They urged businesses to stay alert and report possible threats.