Tulsa, Okla. — A driver may have had a medical attack that caused a collision with another vehicle and a fence. The incident happened near 3100 East Woodrow Place at around 1 a.m. Monday. We're told the driver struck a parked vehicle before reversing the direction of travel and striking a chain link fence. The fence was in a front yard on a neighboring property. One person was placed into an ambulance at the scene.