FORT SMITH, Ark. (KNWA/KFTA) — Fort Smith police are investigating a pedestrian-motorist accident on S. O St. and Towson ave.

Officers said the pedestrian has been taken to the hospital with serious injuries.

Accident reconstruction is underway at the scene, so drivers are encouraged to avoid the area until further notice.

This is a developing story. Stay with KNWA/Fox 24 for updates.