Tributes have been paid today to the good samaritan who was murdered in Hertfordshire while apparently coming to the aid of his neighbour.
Graham Buck was stabbed to death in the quiet village of Little Gaddesden at the weekend.
Today police have released CCTV pictures of their chief suspect Ian McLoughlin who is on the run.
Police are seeking to question 55-year-old Ian John McLoughlin, also known as Ian John Baker, in connection with a murder in Hertforshire.
Detectives have released CCTV images of a man wanted in connection with the murder of a pensioner in Hertfordshire.
Police are continuing their search for Ian John McLoughlin after a man, was found murdered in Little Gaddesden yesterday