Fire and HazMat teams were dispatched to the home at 129 4th Avenue in Pennsburg sometime just before 4 p.m., Emergency Dispatch Services said.
Five people refused treatment while one was taken to St. Luke’s Quakertown for difficulty breathing, officials said.
Authorities found materials to make drugs in a locker in the basement, dispatch services said. It was unclear if anything was being made.
Initial and unconfirmed reports say this was a meth lab.
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