China accuses US of 'abusing state power' with TikTok bans

China has hit back over US government bans on TikTok (Kiichiro Sato/AP) — © Kiichiro Sato US government bans on Chinese-owned video-sharing app TikTok reveal Washington's insecurities and are an abuse of state power, a Chinese Foreign Ministry spokesperson has said. The US government "has been overstretching the concept of national security and abusing state power to suppress other countries' companies", Mao Ning said at a daily briefing. "How unsure of itself can the US, the world's top superpower, be to fear a young person's favourite app to such a degree?" TikTok is used by two-thirds of American teenagers but…