On Tuesday, an explosion at a chemical industrial park shook the German city of Leverkusen, sending a large black cloud into the air.
According to the German news agency dpa, the Federal Office for Civil Protection and Disaster Assistance classified the explosion as an “extreme threat” and advised residents to stay inside and keep windows and doors closed.
The cause of the explosion was unknown, according to the operators of the Chempark site in Leverkusen, about 20 kilometres (13 miles) north of Cologne on the Rhine river.
On Twitter, they announced the deployment of firefighters and pollution detection vans to the location of the fire.
Further information could not be obtained from the police department right away.
According to the daily Koelner Stadt-Anzeiger, the explosion occurred in the Buerrig neighbourhood at a chemical park garbage incineration plant.
According to the paper, police had shut down several major highways in the area. The smoke cloud was also moving northwest toward the towns of Burscheid and Leichlingen, according to the report.
Bayer, one of Germany’s largest chemical companies, is headquartered in Leverkusen.