Thank you and goodbyepublished at 17:03 British Summer Time 23 April 2023
Jeremy Gahagan
BBC News Live reporter
And that's a wrap... you can pop your phones away now.
We're now ending our coverage, thanks for joining us and providing your reaction to the nationwide alert test. You can read more about it in our main story here.
Have a great rest of your Sunday!
This page has been written by Jen Meierhans, Sarah Fowler, Emma Pengelly and edited by me.