Police are treating the attack on the 23-year-old as attempted murder.
Attacker Bit Man In Street Assault
A man has been bitten on the cheek during an attack in the street.
The 57-year-old was walking his dog on Edinburgh's Easter Road when a man punched him in the face at about 11am yesterday near the Londis shop.
A struggle broke out between the two men, during which he was bitten.
A minibus driver helped the victim by driving him away from the area, police said.
Officers are now appealing for anybody who witnessed the incident to contact them.
The attacker is described as white, 25 to 30 and between 5ft 5ins and 5ft 10ins with short, bright ginger hair.
He was wearing a grey zip-up hooded top with a Hibs crest on the left chest, black top underneath and dark trousers and trainers.
Constable Andrew McMath said: "This incident quickly escalated from a verbal altercation into quite a serious attack, which left the victim with a painful facial injury.
"I would urge anyone who remembers seeing anything suspicious in Easter Road on Thursday morning to contact police immediately.
"Similarly, if anyone can help us to identify and trace the man responsible for this assault, they should also get in touch.''
He will have a private meeting with the monarch at the Palace of Holyroodhouse on Wednesday.
The most recent figures for GDP in Scotland showed a fall of 0.2% over the period of October to December at the same time as the UK economy grew by 0.7%.
The second meeting of a Ministerial Working Group to examine building and fire safety regulatory frameworks was held on Wednesday.
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