 local time on Saturday. Police and firefighters "arrived on scene and reported that there were people trapped under debris". "It appeared as if one house had exploded, and two others were engulfed in fire. Multiple other homes were damaged with windows blown out," they said in a Facebook post. Doorbell camera footage - which has not been independently verified by the BBC - shows a massive explosion sending smoke and debris into the sky above the neighbourhood. Five bodies were later recovered from the scene. Officials say it is still unclear who was home and if any visitors were in the area at the time, complicating efforts to identify the dead. "ID is expected to take some time as it will involve use of dental records, and potentially DNA, for formal identification," Allegheny County said on X, the social media network formerly known as Twitter. While officials have not publicly named any of the victims, family members identified Casey Clontz, 38, and his son, Keegan, 12, as being among the five killed. Mr Clontz and his son lived four houses away from the scene of the explosion. It is unclear why they were there, although family members told local news outlet TribLive that they were likely visiting neighbours. A statement from the Clontz family described Keegan as Casey's "shadow", and the pair often went fishing and hunting together. "Kee){kind=link}
A 38-year-old man and his 12-year-old son are among five people killed in a house explosion in Pennsylvania over the weekend.
The 12 August blast in Plum, a Pittsburgh suburb, left three others injured, including one person in critical condition.
Three other structures in the neighbourhood were destroyed and at least a dozen others damaged.
Investigators are working to determine the cause of the explosion.
According to officials in Pennsylvania’s Allegheny County, they received an emergency 911 call at about 10:30 (15:30 BST) local time on Saturday. Police and firefighters “arrived on scene and reported that there were people trapped under debris”.