One month on from the day 22-year-old Jarvin Blake was stabbed to death in Sheffield, this is what is known:
- Jarvin Blake, from Gleadless, was stabbed to death at the junction of Catherine Street and Brackley Street, Burngreave, at around 3.20pm on Thursday, March 8.
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- The dad-of-three, whose children were aged five, three and just seven months old, died from a stab wound to his chest, a post mortem examination revealed.
- Jarvin's friend, a 23-year-old man, was also stabbed during the attack but survived and has since been discharged from hospital.
- A blue metallic coloured Volvo pulled up on Catherine Street, close to where Jarvin and his friend were. Some men jumped out and chased the pair before they were stabbed.
- The car was last seen heading towards Longley after the attack.
- Jarvin was captured on a CCTV camera in a shop in Handsworth just hours before he was killed. Detectives released the footage in a bid to jog the memories of those who may have seen him that day.
- Detectives have issued an appeal for motorists who were in the area on the day of the attack to provide their dash cam footage in the hope that the incident, the build up or the aftermath may have been captured.
- Four men, aged 24, 25, and two 26-year-olds, have been arrested in connection with the murder and are all on bail pending further enquiries.
- Three of the suspects are from Sheffield and one is from Rotherham.
- At least nine police raids have been carried out so far as part of the police probe into the murder.
- One car has been seized and forensically examined.
- Detectives are treating the murder as a targeted attack but say they remain 'open minded' as to the motive.
- Jarvin grew up in Burngreave and had friends and relatives who live there.
- He was engaged to his partner of seven years, Kelsey Dixon, and they were planning on getting married over the next couple of years.
- Kelsey described Jarvin as a 'fantastic dad who loved spending time' with his children.
- Kelsey has issued a public plea for witnesses to the stabbing or those who know why it happened or who was responsible to come forward.
- Anyone with information should call South Yorkshire Police on 01709 443528 or Crimestoppers anonymously on 0800 555 111.