Police are searching for a 55-year-old man after a man is his 60s was found murdered in Berkhamsted.
Officers have released an image of Ian John McLoughlin, the man they would like to talk to, who is also known as Ian John Baker.
The victim was found dead at an address on Nettleden Road on Saturday afternoon.
A second man in his 80s has been taken to hospital with injuries that are not believed to be life threatening.
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An eyewitness said: "It was very unnerving. It was just after 12pm and there were suddenly police vans and cars everywhere."