A fire broke out in the northern German city of Hamburg on Sunday morning. The cause of the fire is not yet known, but it is thought to have been caused by smoke.

The fire shut down rail links between the city and other parts of the country. The city's fire department said the fire was caused by a large amount of smoke in the air. It is not known how many people were affected by the smoke, or how long it would take to extinguish it. The town's mayor said he was concerned for the safety of people living in the area.