The cyberspace regulator in Beijing said it questioned Nvidia over its H20 chips, which Washington only recently allowed to resume being exported to China.

Parts of Beijing and northern China are awash after heavy rains, and more than 80,000 people have been evacuated.

Officials are meeting in Sweden for their third round of talks in as many months, ahead of an Aug. 12 deadline, to try to avoid a flare-up in trade tensions.

This year’s military exercises, unprecedented in length and scale, are designed to prepare people for the prospect of Chinese troops storming Taiwan’s shores.