Peter Gouldstone was attacked and robbed at his home in Enfield Detectives investigating a violent robbery that led to the death of a 98-year-old war veteran have released new CCTV footage.Peter Gouldstone suffered severe injuries including two bleeds to the brain and extensive bruising to his body during a break-in at his home in Enfield, north London in November.He died in hospital a few weeks later.On Monday, the Metropolitan Police released a CCTV clip of three men trying to break in to another house near Mr Gouldstone’s home on the same evening, November 5.Detective Inspector Alison Cole, said: “We believe there were at least three men involved in this attempted burglary and we are very keen to speak to them. Anyone with information can call police on 101 quoting reference 2140/6NOV or the incident room on 020 8345 3715, or Crimestoppers on 0800 555 111 or online to remain anonymous. Want the best of The Telegraph direct to your email and WhatsApp? Sign up to our free twice-daily Front Page newsletter and new audio briefings. Peter Gouldstone died following a violent robbery at his home in Enfield “We are appealing for anyone who thinks they may know these individuals to get in touch with any information, no matter how small.”Mr Gouldstone tragically died following a senseless attack in his own home and we are doing all we can to help his family get the justice they deserve.”A £10,000 reward is on offer for information leading to the arrest and prosecution of the men who broke into Mr Gouldstone’s home, where he had lived for more than 60 years. A 26in Panasonic TV, model TX-L26X10B, and other personal possessions were stolen during the robbery.