An 18-year-old who died after being assaulted in Leigh has now been officially named by police as Luke Bellfield. 

Luke was taken to hospital on Friday evening with stab wounds where he later died. 

A post mortem examination found he died as a result of a single stab wound to the heart. 

Essex Police have launched a murder investigation and are treating it as a targeted incident. 

Police have put out an urgent appeal to trace Alfie Pollard, 17, who they want to speak to in connection with Luke's murder. 

Alfie Pollard has links to Leigh and Southend.

Two men who were arrested in connection with the investigation have been released on bail until March 24 while they continue their enquiries.

Anyone who knows of his whereabouts is asked to contact us on 999 or submit information via

Information can also be given to independent charity Crimestoppers 100% anonymously on 0800 555 111 or