Ian McLoughlin charged with Little Gaddesden Graham Buck murder
A 55-year-old man has been charged with murdering a man who was stabbed to death in a Hertfordshire village.
Ian John McLoughlin, from Barrow-in-Furness, Cumbria, is accused of killing Graham Buck in Little Gaddesden.
Mr Buck, 66, was stabbed on Saturday after going to help a neighbour.
Mr McLoughlin was arrested in Tottenham, north London, in the early hours of Wednesday. He will appear at Hatfield Remand Court on Friday, Hertfordshire Police said.
He has also been charged with robbery and possession of cannabis.
Two other people have been charged with assisting an offender.
David McCollin, 50, of Ridley Villas, Hackney, east London, and Shirley Dean, 54, of Ermine Road, Tottenham, north London, will also appear at the court.
A third person - a 45-year-old woman from Edmonton, north London - has been released on bail.
Police said Mr Buck died while intervening in a suspected robbery.