A thug left a stranger with horror facial injuries after attacking him in the street.
Police have launched a manhunt after the man was assaulted at around 2:45pm on Wednesday.
The victim was rushed to hopsital for his brutal injuries after being confronted in Upperhall Street, Montrose.
The man responsible is described as white, about 5ft 8 and well-built, with short light hair and wearing all dark clothing.
He was reportedly with a woman who tired to stop the attack.
She is described as having dark hair in a ponytail and wearing grey and white camouflage-pattern trousers and a light top.
Police Scotland said: "We have already spoken with a number of independent witnesses who saw this incident, and would like to speak with anyone else who may have information that could assist us.
"If you can help, please call 101 or speak to any police officer. Information can also be given anonymously through CrimeStoppers on 0800 555 111. Our reference is incident 1798 of 24th March."
