A 21-year-old man was arrested in connection to the fires and he remains in custody, a police spokesman confirmed.
However express.co.uk has now uncovered more arsonists are on the lose.
he Copenhagen police spokesman said despite the suspect being detained after the first batch of fires, the blazes have continued to plague the city.
The last car fire happened just five days ago.
A local resident, who asked not to be named, said she was concerned about the attacks.
The woman added that the fires had started in areas where many second-generation migrants live.
Malmö staat in brand, Kopenhagen, duizenden autobranden in Nederland dit jaar. In Frankrijk is het al jaren raak. Tentenkampen in Griekenland. Moslims zijn Europa aan het afbranden en de overheid haalt er elk jaar meer binnen. De overheden zijn misdadig.