Greek riot police used stun grenades designed for use by special forces in anti-terrorist situations to break up protests outside the ex-ministry of Macedonia and Thrace in the northern city of Thessaloniki yesterday May 5 2010."The Grenade Hand Stun N580 and Grenade HandStun Multi’s N582, N591 and N592 are diversionaryassault grenades, designed for use in confinedspaces by Special Forces during hostage release.Noise and candela levels induce disorientation inany persons within the effective range."Chemring Defense
from uk indymedia:
Grenades made by the Chemring group ( http://en.wikipedia.org/wiki/Chemring) used in recent protests in Athens and Thessaloniki, not just tear gas used, also some kind of fragmentation grenade, and noise grenades made by Chemring scum ( http://athens.indymedia.org/front.php3?lang=el&article_id=1166657).