Xi emphasized China’s claim over the island, which has governed itself for decades.

The latest pressure point has been House Speaker Nancy Pelosi’s potential visit to Taiwan, the island that governs itself democratically and receives informal defensive support from the U.S., but which China considers part of its territory.

China is warning that it will take ‘forceful measures’ should House Speaker Nancy Pelosi visit the self-ruled island of Taiwan that China claims as part of its territory.