A man was robbed as he walked along Finedon Road in Burton Latimer, in the early hours of Sunday, 8 May.
The 33-year-old man was walking towards the High Street, after crossing the junction with Hillcrest Avenue, when he was approached by a group of five men between 5.40am and 6am.
One of the men punched him in the face and proceeded to pull him across to the other side of the road. At this point the victim was pushed to the floor and into a ditch and kicked a number of times.
The offenders then made off with items including his wallet.
One of the offenders was white, aged 27 to 30, about 5ft 8in, of slim build and wearing earrings in both ears. He was carrying a small bag over his shoulder and had short, dark hair, facial hair, and was wearing black trousers and a black tee-shirt.
The second offender was white, aged 27 to 30, around 5ft 8in and of medium build. He was wearing black trousers and a black hooded top, was clean shaven and had dark coloured hair.
The other three offenders were all white men.
Police would like to speak to anyone who may have witnessed this incident or who may have any information regarding it.
Witnesses or anyone with information about this incident is asked to contact police on 101 or Crimestoppers anonymously on 0800 111 555.