Kenyan police fire tear gas and rubber bullets to disperse hundreds of mainly young protesters in the capital Nairobi amid escalating tensions against proposed tax hikes. "We will demonstrate! You can't kill all of us. You cannot abduct all of us," says Kennedy Sankara. "We are here to speak for our generations and generations to come," says Elizabeth Nyaber. IMAGES AND SOUNDBITES, TO GO WITH 34YV2DB, 34YW33E, 34YU9ND and 34YV3LM