An 87-year-old man has been arrested on suspicion of murder after a woman's body was found at a care home.
Police were called to Chapman Way in Eynesbury, Cambridgeshire, after "serious concerns" were raised for the welfare of a man and a woman at 17:00 on Monday.
Officers are currently investigating what happened at Poppyfields care home.
The woman, in her 80s, was declared dead at the scene. The arrested man is being held at Parkside police station.
The care home, near St Neots, consists of 34 one-bedroom flats and shared on-site facilities including a library and restaurant.
Its specialised services include caring for adults with dementia, physical disabilities and sensory impairments.