Emergency services put out another arson attack. Photo:Johan Nilsson/TT.

Scores of cars were set alight in a series of targeted attacks in towns and cities across Sweden overnight.

In Stockholm, police said that as many as 50 vehicles were damaged in relation to arson attacks in the suburbs of Husby, in the north, and Jordbro, in the south.

"There was a lot of smoke. Two cars were totally burned out. There were 47 cars in total in that part of the garage and most of them have received smoke damage," said Sven-Erik Olsson at Stockholm Police.

In Malmö, where there has been...