The Viasna Human Rights Center said the young male protester suffered a traumatic head injury MINSK: A protestor was killed and dozens wounded when police in Belarus used stun grenades, rubber bullets and tear gas to disperse demonstrators disputing election results, a prominent rights group said on Monday. The Viasna Human Rights Center said the young male protester suffered a traumatic head injury when he was hit by a police vehicle and medics were unable to save him.