Update at 4:10 p.m. — All lanes have reopened but traffic is moving very slowly, according to the U.S. Park Police Twitter account.
Several people were injured after a car ran off the GW Parkway and into a ravine, then caught fire.
The crash happened around 3:00 p.m., in the northbound lanes just after Memorial Bridge. As of 3:25 p.m., both lanes of the northbound GW Parkway were blocked by emergency vehicles near the crash site.
Initial reports suggest the car occupants were still trapped in the vehicle when it started to catch fire in the ravine. They were apparently pulled out of the wreckage and three people are now being treated by paramedics. Firefighters were able to quickly extinguish the car fire.
