NBCWashington.com - Darcy Spencer
Darcy Spencer reports on the latest letters with a suspicious white substance found at BLT Steak in the District.
Authorities were called to a restaurant on I Street Northwest Saturday afternoon after two suspicious envelopes were discovered. .
Hazmat crews responded to BLT Steak at 1625 I Street at around 3:30 p.m. Investigators say one of the letters was opened and had a harmless powder inside. The second letter was unopened however and sent to the FBI for further investigation.
Seven other suspicious letters have been discovered in the D.C. area this week. Envelopes with white powder in them have previously been received at the following establishments: