A siren-like emergency warning message will be sent to phones across the UK next month to test out a new public alert system. trib.al/GcIxe0L
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@onpausephotos @MetroUK We've always had this. Used to come down the landline. Was how the 4 minute would have been sent out.
@onpausephotos @MetroUK I must have forgotten that chapter