Police have named the 40-year-old man who died following an assault in Worksop town centre on Saturday evening.
Glen Kitchens was from the Sunnyside area of the town. He was pronounced dead at Bassetlaw District Hospital.
A post-mortem examination is due to take place to confirm the cause of death.
Four teenage boys, three aged 15 and one aged 16, have been arrested on suspicion of murder and will remain in custody overnight.
More top news
It'll be another chilly day with patchy cloud and sunny spells. It will stay dry.
Some isolated wintry showers is possible over the Peak District.
Nottingham Forest fans are angry that a takeover deal has fallen through after weeks of talks.