New evidence confirms that indigenous communities’ water and food is being contaminated by oil drilling in the Amazon region…[Indigenous] communities in the Tigre river basin were informed by the state environmental regulator…that heavy metals and hydrocarbon particles were present in their water sources and food. The National Water Authority identified excessive levels of lead and petrol derivatives in water supplies. Ten disused wells were also found without the required closure plans…In response, hundreds of members of indigenous communities from the Corrientes river basin blocked the highway to a neighbouring district. They also threatened to stop operations at the oil wells of Lot 192, in which Argentine oil company Pluspetrol operates…