WARSAW, Nov. 20 (Xinhua) -- The roof of a warehouse hall at a former bus depot in Mlawa County, northern Poland, collapsed on Wednesday, leading to two deaths and three injuries.
The accident happened around 11 a.m. local time (1000 GMT). The injured have been taken to hospital.
Firefighting units were dispatched to the site, and rescue operations are still underway as local media reports suggest more people may have been trapped inside.
The structure had been under reconstruction. ■