RIO DE JANEIRO, Brazil—A multistory building in Rio de Janeiro has collapsed after a possible natural gas explosion.

Television images show rubble strewn across a wide area, covering cars and motorcycles.

There is no official word on deaths, but Globo television cites unidentified Brazilian authorities as saying two bodies have been found so far.

Witnesses at the scene say that they heard an explosion just before the building collapsed and that there is a strong odor of gas.

Police have cordoned off the area and electricity to the street has been cut off for safety reasons.