Primers are considered the "spark plugs" of a bullet and ignites the metal, projecting it toward the intended target.
The situation turned out to be much more serious and could have been even more dangerous if the plane were to get airborne with the combustible elements in its undercarriage.
The man who owned the luggage arrested.
FBI and TSA officials said his luggage contained volatile gun parts, which caused his bag to explode Tuesday just before it was about to be loaded on a plane.
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