Five people have died in an early-morning fire at a house in Unna town near Dortmund in western Germany, authorities say.

On Friday morning, emergency services were dispatched to the fire scene in Unna, near Dortmund, the German news agency DAPD reported.

According to the police, five people died, one person was seriously injured and another was lightly injured. They said six people were registered as living in the house but there may also have been guests inside at the time, Press TV reported.

There was no immediate report on the cause of the fire.