3 killed, 1 critically injured in Maryland shooting
UPDATE: Sheriff's office: 3 people killed, 1 critically injured in shooting at Maryland business; trooper and suspect injured
SMITHSBURG, Maryland -- Multiple victims have been reported following a shooting at a company in Smithsburg, Maryland.
Authorities say there is no longer a threat to the public.
Smithsburg is about 70 miles northwest of Washington, D.C.
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