Overview

• A house explosion in Plum, Pennsylvania has now claimed six lives after home co-owner Paul Oravitz succumbed to injuries sustained in the blast.
• The explosion, suspected to have been caused by issues with a hot water tank, killed Oravitz's wife Heather and four others.
• Video footage captured the moment of the devastating blast which destroyed three homes and damaged over a dozen more.
• One victim, Casey Clontz, made a phone call for help after initially surviving the explosion while trapped in the basement.
• Nearby oil and gas wells are not believed to be responsible, though the neighborhood is surrounded by abandoned wells.