Heartstopping video captured a massive house explosion in Plum, Pennsylvania. The blast killed five people and destroyed three homes. Casey Clontz and his 12yearold son were found dead in the wreckage of the house next door. In a statement, their grieving relatives say "Their smiles and laughter filled their family's and friends' hearts with joy that can never be replaced." Inside Edition's Steven Fabian has more. A GoFundMe page was created to help the families impacted by the explosion.