Two women have been arrested in connection with the murder of a 75-year-old man who died 10 months after he was the victim of a serious assault.
Daniel Guyler was found with serious injuries by police on Termon Street in the Waterside area of Londonderry on July 23, 2018.
He was transferred to hospital where he remained until he died on May 1, 2019. Detective Inspector Ray Phelan is asking people to cast their minds back to two years ago.
He said: "Following extensive police investigations, detectives have arrested two women aged 33 and 44 on suspicion of murder. They have been taken to Musgrave PSNI Serious Crime Suite for questioning.
"I would ask people to cast their minds back to Monday, July 23, 2018."
Anyone with information is asked contact detectives on the non-emergency number 101 quoting reference 1317 23/07/18.