China hinted on Monday that it could retaliate after U.S. President Joe Biden signed into law legislation to boost Taiwan's defences and seeks to get TikTok's Chinese owner to divest from the social media platform. Biden signed the legislation on a military aid package on Wednesday, with most of the money going to Ukraine to help it fend off Russia's invasion and to Israel. Speaking in Beijing, Chinese Foreign Ministry spokesperson Lin Jian urged the United States not to implement the "negative, China-related" parts of the legislation.