(Wilsonville, OR)  --  A man accused of threatening a woman with a machete is in custody, following a high-speed police chase.  Authorities say after the threat near Wilsonville City Hall was reported, police spotted the suspect's vehicle and began pursuit.  Officials say the man was chased along I-5, and was eventually cornered after he left his vehicle and jumped into a creek behind a Sherwood apartment complex.  Police say 30-year-old Donovan Moon had stolen the vehicle from a rental agency, and had two Molotov cocktails in the car.