Police are investigating an argument between two brothers that ended up with one of them being stabbed in the leg in a Pembroke apartment yesterday afternoon.
The incident happened at about 1.45pm in William Harding Street.
Officers found a 28-year-old who had been stabbed in the thigh, sources said. The man was taken to hospital.
Police started searching for his alleged attacker, his 21-year-old brother, who had fled the scene, and arrested him some time later. He was suffering from slight injuries.