Crews say it could take another 10 days for the area around a house blast in Nottingham to be made secure.
Two people died in the explosion in Newark on Sunday. Six properties may have to be demolished.
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A Met Office warning covering much of England and south-east Wales is expected to remain in place until 11am.
Former Liberal Democrat business secretary Sir Vince Cable is to lead a free online course on politics and economics.
Remaining cold, with frost and locally persistent freezing fog.