Around 7:25 a.m. Sunday, Gordon Branch, 36, was found with blunt force trauma to the back of his head on the 4100 block of North Broad Street in Nicetown, police said. He was taken to Temple University Hospital, where he was pronounced dead at 7:38 a.m. Police said Branch, of the 1300 block of Jerome Street, was involved in an altercation and a person of interest is in custody, but authorities have not released the suspect's name.