The family of a man who was found dead in his Lancaster flat in July have issued a plea for people to come forward with information.

Damian Jackson, 50, was found dead at his address in Regent Street on Tuesday, July 25.

A Home Office post-mortem established that he died of multiple injuries.

Detectives have been conducting enquiries, including scouring CCTV, carrying out house to house enquiries, and conducting forensic enquiries.

The last confirmed sighting of Damian was at 10.18am on Sunday, July 23, at the Aldi store in Aldcliffe Road, Lancaster, and video footage of him leaving the shop has been released.

In a tribute, Damian's family said: "Damian, our brother and son, outshone us all with his amazing intelligence and quick wit.

"He attended Lancaster Royal Grammar Scool, as well as Edinburgh and Lancaster universities and excelled in all his studies. His unique gift for mathematics was astonishing.

"Damian's friends from across Lancaster have already paid their own special tributes which mean so much to us. He was generous and kind. He didn't have a bad bone in his body. He wouldn't harm a fly.

"And yet Damian has been cruelly taken from us.

"If you know anything at all about his murder, however small you may think it is, please step forward now and tell the police.

"Damian, you have slipped into the next room and we will see you soon enough for a brew. Put the kettle on our kid. XX"

Police are still looking to pin down Damian's last movements and are asking people who saw him between Sunday, July 23 and Tuesday, July 25, and have not yet spoken to officers to contact them.

People who were driving in the Regent Street area of Lancaster between those dates and have dashcam footage should also get in touch.

Detective Inspector Steve Hallam, from the Force Major Investigation Team, said: "In the month since Damian was found dead, we have been carrying out a thorough and detailed homicide investigation to try to find out what happened to him and to provide answers for his family.

"If you know anything at all please do get in touch, even if you think it's not significant, it could be a key piece of the jigsaw.

"We are keeping his family regularly updated and our thoughts remain with them at this time. They obviously have questions about what happened to their son, and we want to be able to give them the answers they are so desperately seeking.

"We are really grateful to everyone who has come forward so far and we continue to appeal to them for their help."

Anyone with information is asked to contact 101, quoting log 0535 of July 25.

Alternatively, you can contact Crimestoppers on 0800 555 111.