Officers say the knife attack took place following a "confrontation" over the suspect's dog fouling near Moorgate in the City of London.

The incident happened in the early hours of Saturday, 16 December.

The man's injuries are not life-threatening, according to officers.

Police have now released CCTV images of a man they would like to speak to about the incident.

Read more from Sky News:
Manchester City star's home targeted by burglars
Woman, 61, murdered in flat days before Christmas

Detective Sergeant David Honan, from the City of London Police, said: "We would like to speak to anyone who recognises the man or has any additional information about the knife attack.

"If you see this man, please do not to approach him, instead contact the police on 020 7601 2222.

"We want to reassure City of London residents and those who come into the City to work and socialise, that a full and thorough investigation is underway."