Police have warned people in Hamburg, Germany, to close their windows after a large fire that engulfed several warehouses sent black, chemical-laden smoke drifting over the city.
German news agency dpa said the fire broke out at around 4.30am in the Rothenburgsort district, located in the eastern part of Germany’s second-largest city.
The smoke drifted from there towards the city centre, halting long-distance trains between Hamburg and Berlin and other cities.
No injuries were reported.
Public broadcaster NDR said the fire involved containers with hydrogen sulphide, a toxic and foul-smelling substance, forcing firefighters and police officers in the area to wear breathing apparatus.