The incident occurred after 1:00 p.m. in one of the tenement houses in the Market Square in Bolesławiec. There was a smell of gas in the building. Firefighters decided to evacuate all residents.
A specialized chemical rescue group was called to the scene. The emergency power service disconnected the electricity.
The operation is still ongoing.
Update 2:20 p.m.
The source of the leak was located. The gas was shut off. Residents have already returned home. Only the gas emergency service remains at the scene.