A 50-year-old man was robbed of his bus pass at Northampton’s Northgate bus station.
The incident happened on Wednesday July 22 between 3pm and 4pm. Police released details of the robbery this afternoon.
A spokesman for Northamptonshire Police said: “A 50-year-old man was approached by four people who surrounded him and used force to steal his bus pass.
“A member of the public intervened and we are appealing for this person to come forward,” he added.
Witnesses, or anyone else who knows anything about this incident, can call Northamptonshire Police on 101.
Alternatively, they can call the independent charity Crimestoppers anonymously on 0800 555 111 or use the anonymous online form at www.crimestoppers-uk.org.