Emergency crews were busy in Montgomery County Thursday night.
Officials there say three houses in the 300 block of Pottstown Avenue/Route 663 in Pennsburg were evacuated, following a 'mental health incident.'
Officials said an individual had intentionally combined chemicals and was taken by ambulance for a medical and mental health evaluation.
Residents in the homes on either side were evacuated but were allowed to return to their homes by 3:30 a.m. Friday.
The call came in around 10:30 p.m.
Two people had to be taken to the hospital.
There is no word on on their conditions.
The district attorney's office is considering whether to file criminal charges.