NGOs call for international peacekeeping force to deal with water disputes
Participants also hotly debated the developing world's growing reliance on bottled water bought from private companies instead of on public water systems which some call a form of privatisation.
About 10,000 protesters marched to the Mexico City convention centre where 11,000 delegates and representatives of about 130 countries met to discuss ways to improve water supplies for the poor. Opponents claim the meetings are a cover for privatisation.