Attack in Belgian city leaves 5 dead, 122 wounded

[willing dwarf]

8. My best guess

Paranoid schizophrenia. The stress of being summoned by the police probably brought on this crisis.

Now where the weapons came from is probably the larger question which should be considered. If Europe becomes awash in guns as the US is, there will be more and more such senseless violence.

The real terror is the availability of weapons of war.