A half-dozen defense and intelligence installations in the Washington area received packages Monday containing rudimentary devices that had what appeared to be components of an explosive, a law enforcement official said. Several of the packages contained rambling letters, the official said. No one was injured and investigators weren’t sure whether the devices were capable of exploding, U.S. officials said. The packages drew a response from bomb squads.

Source: Wall Street Journal March 27, 2018 03:45 UTC