A man was hospitalised after being attacked in St Neots on Saturday.
The 31-year-old was walking near the Bridge House, in Market Square, when the attack happened between 10pm and 11.30pm.
A spokesman for Cambridgeshire Constabulary said: βIt is not known how many attackers there were and there are no further descriptions.β
The spokesman said the man was treated for serious injuries in hospital before later being discharged.
Anyone who was in the area and thinks they may have information should contact PC Andy Minns on 101 or Crimestoppers, anonymously, on 0800 555111.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here