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white powder found in a package opened at John Kerry's presidential campaign headquarters Thursday was harmless and could have been garlic powder, authorities said of an apparent hoax that forced police to seal off the building.
"It appears to be some kind of garlic powder, commonly used for seasoning foods," said Alan Etter, a spokesman for the Washington, D.C., Fire Department.
The package, containing two letter-sized envelopes, was turned over to the FBI for further investigation.
I don't worry much about real attacks of this sort, but the fake ones can be disruptive enough.