Detectives are appealing for information and witnesses following a serious assault which took place in Lothian Road onTuesday.
The incident happened outside the Salvation Army shop at around 7.55pm on Tuesday, 1 September.
The victim, a 52-year-old man, was attacked by another man who then ran south along Earl Grey Street in the company of a woman.
The victim was taken to Edinburgh Royal Infirmary for treatment.
Detective Sergeant John Dunn, from Edinburgh CID, said: “We understand that there may have been several people nearby who witnessed the assault take place and are appealing for them to come forward.
“At least one of these people helped treat the victim prior to the ambulance’s arrival.
“Anyone with information should contact police on 101, quoting incident 3304 of 1 September. Alternatively, you can call Crimestoppers on 0800 555 111, if you wish to remain anonymous.”