The Oshkosh Police Department is investigating a homicide that occurred around 2:30 a.m. Saturday on High Avenue, resulting in the death of a 20-year-old man. The victim was stabbed during a fight involving individuals who were reportedly known to each other and died after being transported to the hospital. A 22-year-old man has been arrested in connection with the incident, and police are seeking public assistance to locate 23-year-old Sybastian Crossman, another person of interest. Officers urge anyone with information to contact the police. This case is developing, and further updates are anticipated as the investigation continues.