The Brief
- A tour bus overturned on Baltimore-Washington Parkway early Sunday morning.
- About 40 passengers were onboard at the time.
- One passenger is being treated for life-threatening injuries.
WASHINGTON, D.C. – Emergency crews responded to the scene of a tour bus crash on Baltimore-Washington Parkway early Sunday morning.
What we know:
U.S. Park Police say the bus overturned south of Route 198 around 12:45 a.m. Sunday.…