CRESCENT: A large explosion killed two folks and destroyed a home within the Pittsburgh space close to the Ohio River, authorities stated Tuesday.Aerial pictures from the scene in Crescent Township within the northwest Pittsburgh suburbs confirmed smoking ruins with the construction lowered to rubble and a few massive items lodged in bushes above. Allegheny County emergency dispatchers stated the blast was reported shortly earlier than 9 a.m.Tuesday.The blast was “extreme, completely excessive,” and “You could possibly really feel it in your chest,” stated Chief Andrew Tomer of the Crescent Township hearth division. It was heard and felt all through Crescent and close by townships and even throughout the river. Tomer and others on the hearth division instantly noticed “a column of white smoke up within the air adopted by a thick column of black smoke,” he stated.The explosion “fully leveled” the house, with arriving models reporting “hearth all through the inspiration” and hearth alongside the hillside, Tomer stated. The blast additionally broken not less than two different properties, he stated. A personal gasoline effectively and two propane tanks on the scene have been secured, he stated.A person and girl have been discovered useless on the scene, he stated. The county medical expert’s workplace will verify their identities and decide the trigger and method of dying.The reason for the explosion is beneath investigation by the Allegheny County hearth marshal’s workplace and the federal Bureau of Alcohol, Tobacco, Firearms and Explosives.The county’s emergency companies division stated the scene “is in a distant location and we’re asking everybody to keep away from the world so as to permit responders entry.”On Aug. 12, a blast within the borough of Plum about 25 miles (40 kilometers) away in the identical county killed six folks and destroyed three properties. Authorities stated the trigger was beneath investigation, however the explosion occurred inside one of many properties, ruling out an outdoor trigger together with wells, pipelines and different utilities.