A weather warning is in force, with very strong winds of up to 90 mph expected across Scotland. It's a wet night for most of the UK and temperatures could drop to below freezing in the north of the country.
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Skies will be cloudier in the southwest with mist and fog over hills and along some coasts.
Here's everything we know so far about the Manchester Arena explosion.
The hashtag #RoomForManchester was being widely shared.