Residents of communities in the east-central Colombian province of Meta marked the six-month anniversary of a peaceful protest to block state oil company Ecopetrol from drilling a well near a large aquifer…Inhabitants…have barred access to the Lorito 1 well to protest planned drilling that they say will endanger the ecosystem and public health…[They] say they fear a repeat of health problems that occurred in nearby hamlets…located just yards away from oil wells… Ecopetrol's regional manager in Meta…denied that the water contained hydrocarbons, saying the dark-colored water contained algae that blooms in a wastewater capture area…