EDGARD, La. (AP) — State police are investigating a fatal crash in St. John the Baptist Parish after a motorcyclist sped away from sheriff's detectives in St. James Parish and ran into a stopped vehicle.

Troopers say detective noticed a motorcycle parked on the shoulder of the Veterans Memorial Bridge around 8 p.m. Friday and drove toward it to see if the driver needed any help.

The motorcycle rider, later identified as 45-year-old Isaac Jackson Jr. of Edgard, quickly drove away. Troopers say Jackson left La. Highway 3213 and headed east on La. 18 toward St. John Parish, where the detective eventually lost him.

Jackson kept going but ran into a car that was stopped in highway. He was pronounced dead at a local hospital.

Investigators say the motorcycle Jackson was riding was stolen.