Firefighters and emergency responded to the scene of a hazardous materials incident in Newton, Massachusetts on Thursday morning.
Newton Fire said at 9:40 a.m. that they responded to Walnut Street in Newtonville Square for a hazmat incident at Bank of America. A Tier 1 hazmat response has been requested.
Original tests showed high levels of hydrogen sulfide, which prompted emergency crews to evacuate the building.
There were about six employees inside at the time and are all reported safe.
Walnut Street has been shut down both ways from Washington to Madison. Motorists are urged to avoid the area.