DETECTIVES are quizzing a man who was arrested over a robbery after bystanders fingered him to police.
The 30-year-old suspect was detained on Wednesday evenign following the incident at a shop in Saintfield Road area of east Belfast.
Police received a report around 9.30 pm that a man armed with a knife went into a shop and fled with a sum of cash.
He was described as bald and wearing a hooded top with a scarf covering his face.
When a PSNI response unit arrived, hawk-eyed members of the public identified the suspect who was spotted a short distance away.
The man was arrested and knife was later recovered from a nearby drain.
Detectives at Castlereagh CID have appealed for anyone who witnessed this incident to contact them on 0845 600 8000.
Or, if someone would prefer to provide information without giving their details, to contact the independent charity Crimestoppers and speak to them anonymously on 0800 555 111