Part of a hotel in a winemaking town on the Mosel River in western Germany collapsed, leaving two people dead and trapping seven others in the wreckage overnight, authorities said. By Wednesday afternoon, all but one had been rescued, reports AP.

Fourteen people were in the hotel in Kroev when one story of the building collapsed at about 11 p.m. Tuesday. Police said five were able to get out of the building unhurt because they weren’t in the part that collapsed, but others were trapped.

Rescuers were able to contact some of them by cellphone. But getting to them proved to be difficult because the collapse of one story left two ceilings lying on top of each other, according to Joerg Teusch, fire and disaster protection inspector for the Bernkastel-Wittlich district.

Six people were rescued Wednesday, and by mid-afternoon only one person was still trapped. Emergency services were in contact with the remaining person and hoped to rescue them by sunset.

Among the first to be saved was a 2-year-old child pulled out unharmed and the child’s mother, who was rescued with minor injuries. The child’s father was rescued later. Teusch said the cause of the structural collapse hasn’t yet been determined.

The original hotel building is believed to date back to the 17th century, but additional stories were added around 1980, he said. He added that building work had taken place on Tuesday, but it wasn’t clear whether there was any link between that and the collapse.

Regional public broadcaster SWR said that witnesses reported hearing a bang and seeing a large cloud of dust at the time of the collapse. The rescue operation involved 250 emergency workers, including drone specialists, as well as rescue dogs.