On Sunday, January 11 at around 7am a man was walking along Peatburn Avenue when he was approached by two men. They asked him for money, the man refused and carried on walking.
He then felt a blow to the side of his face and he fell to the floor. He stood up and punched one of the men who then ran off.
The victim chased the men until he reached an alleyway near to Derby Road.
The men were described as being around 18-years-old and were wearing dark coloured clothing.
Derbyshire offenders - from Chesterfield to Alfreton, Matlock, Belper and Ilkeston - in court
Stonemason pleads with council to allow home in Derbyshire village 'taken over by holiday homes'
Praise for staff at Chesterfield’s Batch House - as investigation continues after 'horrific' crash
Four men charged in connection with raid on cash machine at Chesterfield petrol station
14,000 visitors flock to hottest Ashover Show on record captured in 25 photos
Anyone with information is asked to contact DC Craig Chidlow at Ripley police station using the 101 non-emergency number.
To report crime anonymously call Crimestoppers on 0800 555 111.