Washington DC Police are responding to a claim of an explosive device in a truck near the Library of Congress.
Negotiators were sent out to engage with a man in a truck.
—>> New: Police are responding to claim of explosive device in a truck near the Library of Congress. They’re sending negotiators to engage with a man in the truck making the threat. Congressional staffers have been alerted to shelter in their offices. –@WhitneyWReports reporting
— Jim Sciutto (@jimsciutto) August 19, 2021