At least two people dead in Philadelphia nursing home explosion

Five additional people unaccounted for after partial building collapse at Silver Lake center in Bristol Township

An explosion at a nursing home just outside Philadelphia collapsed part of the building and has left at least two people dead, and five others unaccounted for. The exact number of those injured and trapped inside has yet to be announced, authorities said.

The electric company Peco said in a statement that crews responded to reports of a gas odor at the site around 2pm. While crews were on site, an explosion occurred at the facility," the statement said. PECO crews shut off natural gas and electric service to the facility to ensure the safety of first responders and local residents."