Police have said they are looking for two men in connection with the murder of a man who was assaulted in the street after having his tie pulled.
Alan Bott was left lying on the ground after Sunday's attack
Allan Bott, 44, was walking along Humberstone Gate in Leicester's city centre when he was approached by two men.
He was assaulted and left lying on the ground after the attack on Sunday.
Mr Bott was taken to the Leicester Royal Infirmary where he was pronounced dead.
Police have released CCTV footage of two men they want to question
Leicestershire Police released CCTV pictures of two men they want to question in relation to the attack.
Det Ch Insp Phil Smith said: "We have already spoken to a number of people who witnessed the incident. However, it is very important we speak to anyone who was in the area between 0315 and 0330 BST on Sunday.
"The three people involved would have been quite distinctive as the victim was wearing a jacket and tie and one of the suspects was wearing a yellow shirt and had long, dark hair. The other was wearing a beige shirt and had a shaven head."