FTSE China A50 index futures fell more than 2% intraday.

Japan's Nikkei 225 fell below 62,000 points for the first time since May 22, sliding 4.4% intraday.

Responding to US reports that Washington is concerned about China deploying undersea fiber‑optic cables in the Pacific, Foreign Ministry spokesman Lin Jian said at a July 28 briefing that international submarine cables are critical civilian infrastructure key to global connectivity and the welfare of people worldwide. He warned that politicizing or securitizing the issue would undermine normal international market rules, threaten global data interconnectivity and cybersecurity, and serve no one's interest.