A second man arrested over a murder in Sheffield city centre has been released on bail.
The 24-year-old was arrested on suspicion of the murder of Anowar Tagabo, 25, on Monday and was later released after questioning.
Another 24-year-old man was arrested over the weekend and was also later bailed.
Mr Tagabo, who was originally from Sudan and was studying at the University of Bradford, was attacked on Carver Street at around 4.20am on Sunday, 25 May.
He had travelled to Sheffield for a wedding and later went for a night out with a friend.
Paramedics took him to hospital, where he died on Tuesday, June 3.
A post mortem examination revealed he died from a head injury.
The incident was captured on CCTV.