Detectives are continuing to appeal for witnesses of the incident or anyone who saw anything suspicious near Mr Walsh’s home.A silver Vauxhall Astra has been seized for forensic examination as part of the investigation.Neighbours of Mr Walsh expressed their shock at the incident and said he had only been living in the house for a matter of weeks, having moved in with his partner and children.One said: “I shook his hand and welcomed him to the area and he seemed like a really nice bloke. The scene outside the home of Stephen Walsh, 37, who has died after being assaulted there following a road traffic collisionCredit:Raymonds Press “It’s so tragic that this has happened and really shocking for this to happen around here.”Most people are working professionals and we never get any trouble here. The first I knew about it was when the police came knocking asking if I’d seen anything.”Your heart goes out to the lady and their two kids. They have moved here for a new start and it ends like this.” A 21-year-old man has been arrested on suspicion of murder following the death of a father of two in a suspected road rage attack.Stephen Walsh, 37, was assaulted at his home after being involved in a minor road collision, in which he failed to stop at the scene of an accident.Detectives believe Mr Walsh’s Lexus car was involved in a collision with another vehicle in Nottingham on Sunday evening.But rather than stop, he returned to his home in Blenheim Avenue, less than a mile away. It is thought his attacker might have followed him home before confronting him about the accident.Police said Mr Walsh suffered serious head injuries in an assault at the property. Another neighbour, who also wished to remain anonymous, said: “We hadn’t got to know them properly because they hadn’t been here long enough.”But they seemed like a nice, normal family and very happy about their new home.” Newstead Avenue, in Mapperley, Nottingham, where Stephen Walsh was involved in a road traffic collisionCredit:Raymonds Press 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.