Three days before his communist government turns 75, China’s foreign minister is warning fellow leaders against an “expansion of the battlefield” in Russia’s war with Ukraine.

China's Foreign Minister Wang Yi cautioned on Sept. 28 against the escalation of the war in Ukraine, amid accusations from Kyiv that Beijing is supporting Russia. Kyiv has expressed skepticism towards Beijing's calls for negotiations,

China 's Foreign Minister Wang Yi warned Saturday against the expansion of the war in Ukraine, which has accused Beijing of assisting Russia in its war. Kyiv has been particularly scornful of Beijing's calls for talks to resolve the conflict,

A Chinese nuclear-powered attack submarine sank in its dock earlier this year while under construction, in a major setback for the Chinese military, according to US defence officials. Speaking on condition of anonymity to the BBC's US partner, CBS, the officials said the loss of the submarine probably happened between May and June.

Building a potent nuclear submarine force would help China tighten control over its peripheral waters and improve its ability to seize Taiwan.

A U.S. officials says China's newest nuclear-powered submarine in its fleet sank in spring while docked at a pier but Chinese government officials have taken steps to cover it up.