At least six people have died in western Germany as heavy rain, hail and high wind battered the region.
Two men and a woman who had sought refuge in a garden house in Dusseldorf were killed when a large tree fell on the building, the dpa news agency said.
Firefighters rescued six others who were taken to hospital.
Two cyclists were killed by falling branches in separate incidents in Cologne and Krefeld, and a man in Essen collapsed and died as he was working to clear debris from a street.
Many flights from Dusseldorf airport were delayed and some train routes were closed by the storm.