Police said the explosion rocked the several-story building with a large bang. The blast left a large hole. People in surrounding homes ran out into the street in a panic. Fire broke out in several different parts of the apartment building. Parts of the building kept collapsing. A car was also destroyed. Firefighters were able to rescue four severely injured from inside the building and sent them to the hospital. An additional 21 people were slightly injured and treated by emergency staff at the scene. No fatalities were reported.
Police said Sunday they were still trying to get the fire under control and were investigating the cause of the explosion which is unclear. It was not known yet if the blast was terror related.Wuppertal is a city in North Rhine-Westphalia, Germany, in and around the Wupper valley, east of Düsseldorf and south of the Ruhr. It is the greenest city of Germany, with two-thirds green space of the total municipal area. From any part of the city, it is only a ten-minute walk to one of the public parks or woodland paths. Aspirin originates from Wuppertal, patented in 1897 by Bayer. Four institutions of higher education are in Wuppertal.