South Wales Police is appealing for help identifying a man who committed a robbery on the Taff Trail.
A 19-year-old man was forced to hand over his mobile phone during the incident which occurred at around 1.10pm on Monday, January 31, on the Taff Trail behind Tesco Extra on Western Avenue.
The suspect was riding a distinctive light grey BMX which had no markings and matching grey stunt pegs on the wheels.
He is described as being of mixed race appearance, aged 20 to 25, well built, muscular, just under 6ft tall with stubble and cropped Afro-style hair, and was wearing a Royal blue hooded top, light blue jeans, and black shoes.
Anyone with information on this individual is asked to contact Cathays CID on 029 20 527 267 or Crimestoppers anonymously on 0800 555 111.