The Guardian
Ukraine and Russia report hacks affecting air-raid alerts
Ukraine and Russia said emergency air-raid warning systems had been hacked. In Ukraine, an app began sending false alerts late Sunday night, referring to radiation, a chemical attack and street fighting in Kyiv, alongside a nationwide nuclear alert. An all-clear was sent at 23:53.

What to know
- 01
Both Ukraine and Russia reported hacks affecting air-raid warning systems.
- 02
In Ukraine, an app sent false threat alerts involving Kyiv; an all-clear followed at 23:53.
Why it matters
The report concerns false information in air-raid alert channels, not confirmation that the threats described actually occurred.
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