The family of a man who was found dead in his flat three years ago have re-appealed for information.
Mark Cookson was involved in a confrontation on Hillcrest Road, Leicester, on 22 March 2015.
When he got home that evening, he complained he was suffering from a headache.
The 42-year-old's body was discovered at his flat on Leicester Road, Wigston, three days later.
Mr Cookson's family have teamed up with Crimestoppers to offer a £20,000 reward for any information that leads to the arrest and conviction of those responsible his death.