A 16 year old boy remains in police custody in connection with the death of a man from Nottinghamshire on Saturday night.
Five other teenagers have been released without charge. Glen Kitchen, 40, died of a head injury following the incident on Bridge Street in Worksop.
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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.
Cold and dry, with dense freezing fog for some.