(Aurora, OR)  --  Police are searching for at least one suspect following an early morning car chase that shut down two lanes of Interstate 5 near Aurora.  Police say the pursuit began just after 3 a.m. and ended about an hour later two miles south of Aurora.  Police arrested one suspect, but at least one other suspect escaped into a nearby field.  Officers are on the scene with K-9 units trying to track down the suspect.