Thames Valley Police have released an E-fit image of a man they would like to speak to in connection with a GBH in Milton Keynes last month.
At 10.45pm on Thursday 6 September, a 26-year-old man was jogging on the Redway near the Play area / Skate board Park, adjacent to the H4 Dansteed Way between the top of Mayditch Place and Coleshill Place, in Bradwell Common, Milton Keynes.
He jogged passed a man, who attempted to trip him up. The victim carried on running, and the man chased him and slashed him with a knife.
The victim sustained cuts and grazes from the knife which required treatment and Milton Keynes General Hospital.
The offender is white, between 28 to 31-years-old, about 5ft 11ins, medium build, and Eastern European in appearance. He was wearing an orange lumberjack style checked shirt with a square diamond earring in one of his ears.
Det Con David Brandon, investigating the incident, said: