Authorities in Eastern Oregon are looking for the son of an Ontario man stabbed to death Monday night.

The Argus Observer reports that police identified the victim as 39-year-old Gregory Escobedo Sr. The police said they found him when they got a report of an assault outside an apartment complex.

Police say a warrant has been issued for 21-year-old Gregory Escobedo Jr. Police say he is armed and shouldn't be approached.