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Ukraine and Russia say emergency air-raid warning systems hit by cyber-hacks – Europe live

The GuardianUkraine and Russia say emergency air-raid warning systems hit by cyber-hacks – Europe live
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In Ukraine, the app started to send out alarming fake messages late on Sunday night Good morning and welcome to our live coverage of key events in Europe. Ukraine and Russia have reported corresponding cyber-hacks on their app warning systems overnight.…

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