The collision happened around 7:45 p.m. Two people involved have life threatening injuries, according to Montgomery County Fire and Rescue Services Assistant Chief Scott Graham.
Three more people involved had serious injuries and one had minor injuries, according to a tweet from Graham around 8:30 p.m.
Authorities were diverting westbound outer loop traffic to Georgia Avenue.
Photo via TrafficLand
What will you be doing when you're 81? Probably not this.
This cutie needs a new home. She's WTOP's Pet of the Week.
WTOP takes an all-electric motorcycle for a test drive. (Video)
Clothes have a starring role at the Cannes Film Festival. (Photos)