Two men and a woman remained in custody on suspicion of murder after a man was found dead in a house.
The victim, believed to be in his 60s, was found by officers in Crouch Street, Irthlingborough, at 11pm on Sunday, a Northamptonshire Police spokesman said.
Two men were arrested at the scene on Sunday night and the woman was arrested yesterday, he said.
All three suspects were local, though police could not confirm their ages.
The victim, thought to be a local man, has not yet been named, the spokesman added.
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