Saakashvili regime in Georgia using sonic blasters on civilians?

From Xeni Jardin in boing boing:

This English-language footage from Russia Today shows riot police rolling through the streets of Tblisi in pickup trucks, small dishes in hand. A high frequency pulse follows. "Georgian police used an acoustic gun -- it's a non-lethal weapon that disorients people for a period of time," says one "special weapons expert."