State inspectors sweeping the Plum subdivision where a massive house explosion last weekend killed six people have detected low levels of combustible gas in the vicinity of the blast and are awaiting test results to identify the vapor and determine its source. The mere presence of such gas does not
Plum House Explosion: PA Gov. Josh Shapiro Orders DEP Inquiry - Plum-Oakmont, PA - Pennsylvania Gov. Josh Shapiro has ordered the state Department of Environmental Protection to investigate the blast that killed six people