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Ukraine's nationwide air-raid alert app reportedly sent a false nuclear-strike warning to millions after a suspected Moscow-origin cyberattack. At 22:48 local time (Beijing 04:46), a Russian-language alert said, Don't worry, "Hazel" is overhead! A nationwide nuclear alert has been activated. Earlier alerts warned of radioactive dust—urging people to stay indoors, wear gas masks and take iodine—and issued chemical-attack and urban-combat warnings telling residents to move to nearest shelters and cover their faces. About ten minutes after the messages, the Ukrainian air force said the app had likely been breached by Russia.

FTSE China A50 futures continued to advance, rising more than 1% in early trade.