POLICE today launched a murder investigation following an attack in Norwich.Frank McGarahan, 45, from Hertfordshire died at Addenbrookes Hospital today.

POLICE today launched a murder investigation following an attack in Norwich.

Frank McGarahan, 45, from Hertfordshire died at Addenbrookes Hospital today.

He was assaulted in Guildhall Hill at 3am on Sunday.

A post-mortem examination is due to take place tomorrow.

Mr McGarahan was spending a quiet evening out with family and friends ahead of a family christening in Norwich on Sunday when he witnessed an assault while queuing for a taxi.

He soon after sustained a fatal injury.

The investigation into the incident continues and officers are reviewing CCTV footage from around the city centre area and following up a number of lines of enquiry.

Detective superintendent Chris Hobley said: “Norwich city centre is generally a safe place and there were a number of people in the vicinity of the incident.

“We are very keen to hear from anyone who may have seen something or has any information.”