Taiwan said Monday it had detected a Chinese balloon over waters northwest of the island, the first reported since April, as Beijing maintains pressure on Taipei to accept its claims of sovereignty. Communist China claims democratic Taiwan as part of its territory and has refused to renounce the use of force to bring it under its control.

The potential for China to use balloons for spying became a global issue last year when the United States shot down what it said was a Chinese surveillance balloon. China said the