The arsenal has long been a job-provider, and it continues to make smoke grenades, artillery shells and decontamination kits.

ECONOMIST: Pine Bluff prepares for disposal

Police in riot gear responded with "blast ball" grenades that release smoke laced with pepper spray.

BBC: Eighteen arrested as Seattle May Day rally turns violent

It was modified to defend against small arms fire and rocket-propelled grenades (RPGs) and therefore most of the weaponry such as machine guns and smoke grenade dischargers is on the top of the vehicle (1).

BBC: Factfile: Viking armoured vehicle