Alton Towers in Staffordshire has been forced to close its Smiler ride after reports that a bolt was seen to have dropped from the ride. Watch the rollercoaster in full swing before it was closed.
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Slowly brightening up later in the day, with some warm sunny spells possible by evening.
Any mist and low cloud will clear during the morning, leaving bright or sunny spells.
Beginning grey and murky again with extensive low cloud and some patchy rain.