Police are appealing for information after a 37-year-old man suffered a stab wound to his leg on Newbigging in Musselburgh shortly after 1.40am yesterday morning.
He was taken to Edinburgh Royal Infirmary for treatment to his injury.
Enquiries are ongoing into the area and officers are seeking to identify a man who was in the area at the time.
He is described as being around 5ft 8in tall and of heavy build with a shaved head. He was dressed all in black and was last seen walking from Newbigging onto the High Street.
Detective Constable Mark Asquith, of Dalkeith CID, said: “Our enquiries into this incident are ongoing and we would urge anyone who may have seen a disturbance or who has any other information to come forward.
“We would also ask anyone who driving in the area around that time to review any dashcam footage they have and let us know if you may have anything which could be of use.
“Anyone who can help our investigation is asked to call 101, quoting incident 201 of 10 February, or call Crimestoppers anonymously on 0800 555 111.”