Man allegedly stabs parents, sets house on fire

SNOHOMISH, Wash.-- The Snohomish County Sheriff's Office was actively investigating a possibly domestic violence assault early Friday morning. They said a 29-year-old man allegedly stabbed his parents and set their house on fire at the 2500 block of 153rd SE. 

The suspect and his 58-year-old father were taken to the hospital. The suspect's 58-year-old mother was unaccounted for and believed to be inside the home, which was fully engulfed in flames. 

This story is developing and will be updated.