The death of a new father who was out celebrating the birth of his son when he was fatally injured is not being treated as murder, Cleveland Police said.
Detective Superintendent Rob Donaghy told a press conference that a post-mortem examination of Benji Bolsenbroek proved inconclusive and further tests will be needed.
He told reporters that CCTV images of the "large-scale fight" inside a pub were clear and that police expect to make arrests soon.
"Benji's death is being treated as unexplained," the Cleveland Police officer said. "This is a complex inquiry with many strands to it. I'm aware there is a lot of speculation and rumour."
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Ms Saward was the first person to waive her right to anonymity when she was raped at the age of 21 and became a sexual violence campaigner.