The CIA conducted a K-9 training exercise at a high school in Loudoun County, Virginia, last week, and accidentally left an inert explosives training device on a school bus, the agency acknowledges.

Add Yahoo as a preferred source to see more of our stories on Google. The Westover Air Reserve Base is conducting explosives training Sunday morning as residents in neighboring towns reported loud ...

McEWEN, Tenn. (AP) — A massive blast at a Tennessee explosives plant that killed 16 people, leveled the building and was felt more than 20 miles away began in an area where workers used kettles to ...