Beijing is stacking up its bargaining chips ahead of expected U.S.-China talks when Presidents Donald Trump and Xi Jinping visit Seoul this month, announcing new export controls to tighten its grip over high-tech manufacturing supply chains.

Wealthy, democratic and strategically located off the Chinese coast, Taiwan has long been the most volatile issue between the US and China. The US has helped arm Taiwan and, under President Joe Biden,

A Canadian warship has sailed through the sensitive Taiwan Strait, the island's defence ministry said on Saturday, a voyage that comes at a time of heightened military tension between China and Taiwan and which could anger Beijing.

Taiwan has released a new “crisis” security handbook detailing how citizens should respond to an invasion from China, as tensions continue to rise between the two nations.

"The Chinese communists have adopted routine grey zone harassment tactics, combined with joint combat readiness patrols, targeted military exercises and cognitive warfare, posing a comprehensive threat to us," the defense ministry said in a report released every two years.

The move by Japan, a U.S. defense treaty ally, and Taiwan, a U.S. security partner and major purchaser of American weapons, is likely to rile China, which strongly opposes official exchanges between other countries and Taiwan, viewing the island as its territory.

Issued by Taiwan 's All-out Defence Mobilisation Agency, the latest edition of the handbook seeks to raise public awareness in a more "user-friendly" way. Shen Wei-chih, the Agency's Director, said since the outbreak of the Russia - Ukraine war, officials have felt much more information needs to be added to the document.

Beijing is stacking up its bargaining chips ahead of expected U.S.-China talks when Presidents Donald Trump and Xi Jinping visit South Korea's Gyeongju, announcing new export controls to tighten its grip over high-tech manufacturing supply chains.