A traffic stop in South Dayton led to the arrest of a Forestville woman on a warrant out of Olean. Cattaraugus County Sheriff's deputies pulled over a vehicle on Cottage Road on June 30th at about 8:30 PM. A passenger in the vehicle, 23-year-old Jessica DeGroot, was taken into custody for the warrant. While being transported to the Olean Police Department, DeGroot suffered a medical emergency and was sent to Olean General Hospital. While at the hospital, she was turned over to Olean Police, and she is scheduled to appear in Olean City Court at a later date.