At approximately 0430 A.M. 3 males and 1 female between the ages of 18-25 broke into an occupied house in the Caswell Hill area of Saskatoon and attacked the occupants with Bear spray. Patrol and K9 units arrested the suspects after they crashed their vehicle attempting to flee the scene. The three males are charged with break and enter and commit an assault with a weapon. The female is charged with obstruction and breach of parole. All suspects are being held in custody for court. No one was injured as a result of this incident.