Two men from Middlesbrough, a 25 and 27 year old, have been arrested on suspicion of violent disorder and assault after a disturbance that ended in the death of a young father.
Benji Bolsenbroek, 23, was wetting his baby's head when he was allegedly assaulted in the Park Hotel in Middlesbrough in the early hours of Sunday morning.
Mr Bolsenbroek later died but it is still not clear how, after post mortem results were inconclusive.
Two men have been released on bail pending further investigation.
More top news
A look ahead at the forecast for the Tyne Tees region.
Five 'supermassive' black holes that were previously hidden by dust and gas have been uncovered by astronomers at the University of Durham.
Cameron Gosling's death in the River Wear is the 15th in two years.