4 died, 2 injured after an explosion in a house in US

An explosion occurred at around 08:00 pm local time in a house located in Pottstown, Pennsylvania, US. According to the police statement, 4 people died and 2 people were injured as a result of the explosion. Pottstown County Manager Justin Keller announced that the injured were taken to hospital, and that 2 people may be missing. It’s reported that 3 houses in the vicinity were destroyed and some houses were damaged due to the violent explosion. The county government announced that schools in Pottstown suspended for a day. While the cause of the explosion is still unknown, the investigation that launched regarding to the incident is continues.