For the past two years, News 8 has aired a series of stories of flames shooting from water wells in Parker County. Dangerous levels of methane gas somehow found its way into the water supply.

While Barnett Shale gas producers deny any connection to their operations, a pair of scientists are now disputing that. They say test results just released by state regulators provide concrete evidence linking fracking and groundwater contamination.
See more at WFAA.