Masked intruders brandishing hammers and a baseball bat burst into a house in Sheffield and attacked a pensioner.
They struck at a property in the Sheffield Road area of Woodhouse on Thursday night after turning up armed with hammers and a baseball bat and forcing their way inside.
South Yorkshire Police said the 66-year-old victim answered a knock at the door of a friend’s house to be confronted by three masked men.
The armed trio forced they way past the OAP and one of the raiders clubbed him across the head with a baseball bat.
When their victim fell to the floor he was kicked in the face before the culprits fled.
Police do not yet know whether anything was stolen from the house during the incident.
The injured pensioner was taken to hospital with serious injuries.
Detective Constable Steve Robinson, who is overseeing the police probe into the attack, said: “This is a particularly nasty assault on an elderly man.
“It is unclear whether anything was stolen from the property, and the motive for the attack is unknown.
“I would urge anyone with any information about the incident to call South Yorkshire Police.”
A force spokeswoman added: “The 66-year-old man answered the door to what he thought were previous visitors to the property, when he was confronted by three men wearing face coverings and armed with hammers.
“They forced their way into the property and one of the men hit the pensioner around the head with a baseball bat.
“He fell to the floor and was then kicked in the face before the suspects fled the scene.”
Witnesses or anyone with information should call South Yorkshire Police on 101 quoting incident number 1,112 of November 28.
Crimestoppers can be contacted on 0800 555111.