Route 1 (Jeff Davis Hwy) & Main Street is closed at Possum Point for an incident the Fire Department is working. #TRAFFICalert pic.twitter.com/EbTNNue8uQ
— Prince William Co PD (@PWCPoliceDept) January 3, 2017
One person was flown to a hospital following the incident. A white powder found at the scene was determined to be laundry detergent, said Prince William police spokesman Nathan Probus.
More as we have it.
Update
UPDATE: Route 1 is now open. Drive safely.
— Prince William Co PD (@PWCPoliceDept) January 3, 2017