A man suffered a stomach injury after being stabbed with "an unknown weapon" in Northampton, police said today.
The incident happened on Northampton Racecourse on Wednesday, July 5 at about 1pm.
A spokesman for Northamptonshire Police said: "Two men who were known to each other met near the basketball courts. One stabbed the other with an unknown weapon, causing a stomach injury which required stitches.
"The offender is described as a white Latvian man, around 30 years old, with short balding hair, wearing a black jacket and light-coloured trainers," he added.
Anyone who has information should contact police on 101 or Crimestoppers anonymously on 0800 555 111.