Detectives investigating the murder of the scrap metal dealer David Brickwood in Northampton have made a new arrest.
74-year-old David Brickwood was stabbed at his home in Lindsay Avenue in Abington in 2015. He initially survived the attack and was able to call police for help but died a short time later.
A 51-year-old man from Northampton has been arrested on suspicion of murder.
Six people have previously been arrested during the investigation, but no one has been charged.