Detectives have been given extra time to question a 19-year-old man over the murder of a great-grandfather.
Detectives said it appeared Leonard Baldwin was assaulted at about 1830 BST on Saturday in Neville Street in Riverside, Cardiff.
Mr Baldwin, who had nine children and 63 grandchildren and great-grandchildren, died in hospital with a serious head injury.
Officers have until Tuesday to question the man at Fairwater Police Station.
An incident room has also been set up at Fairwater and officers have been carrying out house-to-house inquiries in the Riverside area.
Det Supt Paul Kemp, who is leading the investigation, said: "We are currently investigating this incident as a murder inquiry, we have a man in custody being questioned in connection with the death, and we are carrying out house-to-house enquiries with those in the Neville Street area.
He was just a loving man Adolphus Baldwin, son "As part of this we are appealing for any witnesses to the incident to contact us.
"Our thoughts are with Leonard's family, and a family liaison officer is supporting them at this tragic time."
Mr Baldwin's son Adolphus said: "He loved people. He'd do anything for anybody. He'd help them with anything they wanted.
"He was just a loving man. That's the type of person he's always been."
His wife Margaret added: "He's gone too soon. He'd got another 15-20 years to live, I know he did. It's me that should have gone first."
Neighbour Janet Wall described how she had looked out of her front window and seen what she thought was someone who had fallen over.
"But then the ambulance came and put him on the stretcher... I just thought he'd fallen over and hurt himself," she said.
Det Supt Kemp appealed for anyone who was in the Neville Street area between 1700 BST and 1830 BST on Saturday, and with information about the incident to call them on 029 20571530, or call Crimestoppers on 0800 555111.