Emergency siren alert to be sent to UK phones

A siren-like emergency warning message will be sent by the Government to mobile phone users across the UK next month to test a new public alert system.Phone users will be unable to use other features on their devices unless they acknowledge the alert, due to be sent on Sunday April 23.The system – modelled after similar schemes in the US, Canada, the Netherlands and Japan – is intended to be used in life-threatening situations including flooding and wildfires.