Oak Harbor man, 26, allegedly fatally stabs girlfriend's 21-year-old son

AUBURN, Wash. -- A 26-year-old Oak Harbor man fatally stabbed his girlfriend's 21-year-old son Thursday, according to police.

Auburn police were called around 10:30 p.m. to 5th Street NE. They say it all started as a dispute between the suspect and his girlfriend.

Authorities say the girlfriend's son tried to separate his mom and her boyfriend, but the suspect pulled out a knife and stabbed him.

The suspect fled the scene in Auburn but was later arrested in Anacortes and taken to jail. He was booked for investigation of murder.

Detectives are collecting evidence the apartment and from the suspect's car.