The relevant section of the linked Wikipedia page for WMDs. When conventional weapons are involved there are measurable amounts of destructive force in the definition. Just from the numbers I don't know how much damage those values would cause, though.

This was, as far as he knew, something that was going to take out a city plaza during a public event. The WMD charge is probably going to throw a jury for a loop, too.

Fishy c (talk)22:30, 27 November 2010