Summary: US internet giant Google, whose Android mobile operating system powers most of the world's smartphones, said on Sunday it was beginning to cut ties with China's Huawei, which Washington considers a national security threat. In the midst of a trade war with Beijing, President Donald Trump has barred US companies from engaging in telecommunications trade with foreign companies said to threaten American national security. The measure targets Huawei, a Chinese telecoms giant in Washington's sights, that is listed by the Commerce Department among firms with which American companies can only engage in trade after obtaining the green light from the authorities. The ban includes technology sharing. Listen to this podcast for more.
