Residents have been disturbed by shouting in the early hours of the morning due to an assault between a group of people.
Two men, aged 22 and 23 were having an argument with a group of people in Buccleuch Street, Newington, near to its junction with North Meadow Walk, at about 2.40am on Saturday, 29 August.
The pair were then attacked by three men and a woman which led to the 23-year-old being taken to Edinburgh Royal Infirmary to be treated for his injuries.
The 22-year-old man also suffered injuries in the attack.
Following the assault, it is understood the suspects ran off down Buccleuch Street.
Residents in the area told police they were disturbed by shouting in the area at the time of the incident.
All three men involved in the attack are described as being white and in their early twenties.
One was about 6ft tall and was wearing all black. The second had short hair, was of a heavy build and wore a grey t-shirt and the third was about 5ft 9in tall, a heavy build and was wearing dark clothing.
The woman is also described as being in her early twenties, had long dark hair and was around 5ft 6ins tall.
At the time she was wearing a long sleeved white hooded top with dark trousers.
Police are appealing for information and asking witnesses to the assault to come forward.
Detective Sergeant John Dunn of Gayfield CID said: “Enquiries are ongoing and we are working to establish the circumstances leading up to this assault.
“We know that the verbal altercation was loud enough to attract the attention of several residents of nearby properties and we keen to talk to anyone who may have heard and seen anything.”
Anyone with information should contact Police Scotland on 101 quoting incident 1909 of 29 August or alternatively call Crimestoppers on 0800 555 111 where information can be given anonymously.