OLD CITY (WPVI) --A carbon monoxide leak forced the evacuation of several businesses and apartments in Philadelphia.
Police and firefighters were called to the 200 block of Chestnut Street in Old City shortly after 1 a.m. Sunday.
Investigators say a CO detector alerted people in the apartments above the businesses of the high levels of gas.
The B Side Hookah Lounge and Barra Restaurant were evacuated.
Crews determined a faulty heater was responsible.
No one was hurt.