CCTV released in hunt for suspect after fatal stabbing of Good Samaritan in Shoreditch

This is an image of a man wanted by police in connection with the death of a young father attacked as tried to calm a row outside an east London nightclub.

Zakaria Abukar Sharif-Ali, 26, had tried to act as a "peacemaker" outside Rolling Stock club in Shoreditch when he was attacked by two men in the early hours of Saturday, November 24.

He was rushed to hospital but died two hours later.

Scotland Yard today issued CCTV images of a man believed to have been involved in the row.

Detective Inspector Rita Tierney, who is leading the investigation, said: "Zakaria was attacked following a night out. After leaving the Rolling Stock bar, he tried to intervene in an altercation taking place outside. He was attempting to calm the incident and was stabbed as a result.

"We are releasing CCTV footage of a man we would like to identify as we believe he may have been involved in the altercation."

After the murder relatives described Mr Sharif-Ali as a family man who had set up a business.

His sister Bushra told the Standard: "He was a family guy. He has a four-year-old son and two-year-old daughter. He was a good community man, a good friend, husband and son. He impacted everyone around him. He volunteered in Gambia and was religious."

Mr Sharif-Ali, of Hoxton, had set up an online takeaway business called Flipping Burgers with a friend, and had returned to education to study sociology at London Metropolitan University.

Since the attack, nearly £20,000 has been raised in a crowd funding appeal for his young family.

Det Insp Tierney said : "This happened in a busy and popular area of London. I know that there will be people who witnessed the incident or have information concerning the identity of the suspects. I urge those people to call the incident room without delay.”

An 18-year-old woman has been arrested on suspicion of assisting an offender but there have been no other arrests.

Anyone with information is asked to call the Incident Room on 020 8345 3865, Tweet @MetCC or call 101.