Humberside Police were called around 3pm on Wednesday 26 July to reports of a disturbance on Leonard Street in Hull.
Sadly 35 year old Steven John Cawthorn, who sustained fatal injuries, later died in hospital.
Humberside Police can reassure people that they are doing everything they can to identify and apprehend all those involved and to establish the full circumstances of the incident.
Three man are now in police custody and house to house enquiries are progressing in the Leonard Street area of Hull.
There is no reason to believe that the incident was racially motivated or that there is any danger to the wider public.
Detective Chief Inspector Alan Curtis, said: “Extra police are being deployed in the area to support communities, especially those in the close proximity to the incident. I would like to assure members of the community that we believe this incident to have been a targeted attack.
“As the investigation continues, we are working closely with members of the local community and have stepped up patrols so that the extra police visibility serves as a message of reassurance. There is a strong neighbourly spirit in the area and I would encourage the very vigilant local community to work with us to establish the circumstances of this incident and locate the outstanding suspects.”
“We appreciate the support that we have been given by the local community and we would encourage anyone with any information relating to the incident to come forward and talk to us. We are particularly interested in talking to anyone who was in the Leonard Street or Browning Close area between 2.30pm and 3.30pm yesterday by calling the non-emergency number 101 quoting log 304 of 26/07/2017.”