UPDATE: Suspicious package reported at congressman’s office in DeKalb

UPDATE: Authorities gave an “all-clear” about 1 p.m. to a suspicious-package situation at the DeKalb County office of U.S. Rep. Hank Johnson, Channel 2 Action News reporter Aaron Diamant said in a Twitter post.

ORIGINAL STORY: The DeKalb County office of U.S. Rep. Hank Johnson was evacuated Thursday morning because of a suspicious package investigation, authorities said.

The package was discovered about 11 a.m., a spokesman for Johnson said from Washington, D.C. DeKalb fire and hazardous materials units were summoned, and the Department of Homeland Security was alerted. The office is in the 5700 block of Hillandale Drive in Lithonia. The FBI also is en route.

An employee in Johnson’s office was opening mail and discovered a powdery substance, a DeKalb fire spokesman said. That person is still in the building. Hazmat units will enter the building to examine the substance and the person who discovered it, authorities said.

Johnson was not in town at the time.

— Please return to AJC.com for updates.

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