A 73-year-old man died as a result of assault on Wednesday evening in the Spijkerstraat in Arnhem.
The man was attacked by five people who had fled.
The man was seriously injured and died in hospital from his injuries several hours later, police said on Thursday.
On Wednesday evening, the police immediately started an extensive investigation in the Spijkerkwartier in Arnhem and made an appeal via Burgernet to look out for five people dressed in black.
A suspect was wearing a white hoody, police reported.