The Government has released the text of a message that will be sent to mobiles across the UK in a national test of the emergency alert system.

Millions of devices will vibrate and emit a siren sound for around 10 seconds as they receive the brief message at around 3pm on September 7, reports MirrorOnline.

The alert, which will reassure the public that they "do not need to take any action", will be in both English and Welsh.

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The Government has been running a public awareness campaign to ensure people are aware of when the test is happening, such as for those facing domestic abuse who may have hidden phones .

On Monday, the Cabinet O

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