China warned US not to “play with fire” over which issue?

Explanation

– China issued warnings to the United States regarding the Taiwan issue, cautioning against actions perceived as supporting Taiwanese independence.
– China considers Taiwan a part of its territory and has consistently opposed foreign engagement that could be seen as legitimizing its separate governance.
– The phrase ‘playing with fire’ has been used repeatedly by Chinese officials in statements warning the US against actions on Taiwan.
– Cross-strait tensions have remained a persistent flashpoint in US-China relations.