Plum House Explosion That Killed 5: Latest Update

PLUM, PA — Multiple news outlets are reporting that a father and son are among the five people who died Saturday in a massive house explosion in the borough's Holiday Park section.

Casey Clontz, 38, and Keegan Clontz, 12, reportedly are among the victims. The Allegheny County Medical Examiner's Office has not yet officially released the identities of those who perished, though.

"I don’t have words.," Casey Clontz's sister, Ashley, posted on social media. "This is a nightmare that I just want to wake up from. The outpouring of love and support from everyone is overwhelming and we appreciate everyone more than you will ever know. "

In addition to the five people who were killed, another person is hospitalized in critical condition.

The explosion on Rustic Ridge Drive destroyed three houses. A dozen more were damaged in the blast.

The cause of the explosion remains unknown.

Gas systems were “operating as designed” at the time of the explosion on Saturday, said Michael Huwar, the president of Peoples Natural Gas, CNN reported. Still, gas service was shut off to a number of homes in the neighborhood as a precaution.

A GoFundMe page has been established to help the families of the victims.

Governor Josh Shapiro expressed condolences on social media.

The Plum Borough School District has offered support services to students, staff, and community members to ensure that anyone who needs assistance can find comfort and guidance.

"We will open our doors for healing and reflection, where memories can be shared and celebrated," Superintendent Rick Walsh said in a statement posted on the district website.

"It is our collective responsibility to ensure the emotional well-being of our students and families as we navigate this unimaginable tragedy. Our crisis intervention team, comprised of district counselors, psychologists and social workers, in collaboration with Turtle Creek Valley Community Services, will be available from 10 a.m. to 2 p.m. Monday and Tuesday at the Plum Senior High School library."

Plum has canceled all community activities for Monday.