Detectives investigating the murder of a 29-year-old man who was attacked by a gang of masked men have made three further arrests.
Serioza Lawskoski, from Leacroft Road, Peartree, Derby, died in hospital after he was set upon by five masked men in Derby on Saturday night.
A spokeswoman for Derbyshire Police said three men aged 18, 22 and 24, all from Derby, were arrested today in connection with the incident.
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A 25-year-old man arrested yesterday on suspicion of murder remains in police custody for questioning, she said.
Officers were called to Cummings Street in the city at 7.40pm, where they found Mr Lawskoski unconscious with head injuries. He was pronounced dead later in hospital.
A picture of Mr Lawskoski was released by the force earlier today as a senior officer in the case said it was "vitally important" that anyone with information about the murder contact police.
Det Supt Andy Stokes said: "Mr Lawskoski was attacked in the street in broad daylight and we know that many people saw what happened.
"We'd like to hear from anyone who saw a group of about five men, dressed in black, acting suspiciously either before or after the crime was committed at about 7.30pm on Saturday night."
The group of men, wearing dark clothing and heavy jackets, are believed to have fled the scene via nearby Silver Hill Road.
Police said they were wearing balaclavas and were armed with baseball bats or sticks.
A post-mortem examination revealed Mr Lawskoski died of head injuries.
