This is the first picture of the Sheffield man stabbed to death at his home in Darnall.
Mohammed Khalil, aged 42, died in the early hours of Tuesday after he was discovered with stab wounds at his flat in Greenland Drive.
Emergency services had been called to the address just after 1am, and Mr Khalil was rushed to hospital where he later died.
A post mortem examination, which took place on Wednesday, revealed he died as a result of multiple stab wounds.
It is understood Mr Khalil does not have any family in Sheffield.
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So far South Yorkshire Police have arrested four men in connection with the murder.
Two men, both aged 20, have been arrested within the last 48 hours – one yesterday and one on Wednesday.
Both remain in police custody – along with a 26-year-old man who was arrested on Tuesday on suspicion of murder.
A police spokeswoman said: “A 40-year-old man arrested on suspicion of murder and possession of an offensive weapon on Wednesday has been released on bail.”
After the murder, residents in Darnall spoke to The Star of their concerns and many said they were too scared to leave their homes after dark.
Police have said the incident was believed to be an ‘isolated’ killing.
But they have put on extra patrols in the area to reassure members of the community.
The murder comes just days after it was announced police in Darnall would be equipped with body cameras in a bid to tackle anti-social behaviour.
The recording devices will allow officers to capture evidence of antisocial behaviour as they patrol the streets.
Anyone with information about the murder is asked to call South Yorkshire Police on 101 quoting incident number 25 of Tuesday, October 21.
Alternatively ring Crimestoppers anonymously on 0800 555111.