Two people were taken to hospital after a serious assault at a KFC in Corby.
Police were called to the restaurant in Oakley Road shortly after 7pm after a man and a woman were assaulted by a member of the public inside the restaurant.
The victims were as of yesterday in hospital receiving treatment.
A spokesman for KFC said: “We are shocked and saddened by what happened and our thoughts are with the family and friends of the victims. We are co-operating with police.”
The restaurant remained closed yesterday while police continue their investigations.
Police would like to speak to anyone who may have witnessed the incident or has any information about it.
Anyone with information should contact police on 101 or Crimestoppers anonymously on 0800 555111.