They have burned down in an industrial area in Karlstad.
Several calls came in during the night about loud explosions from Örsholmen in Karlstad. Police and rescue services were alerted to the scene where it was established that a dozen trucks were on fire. No one is believed to have been injured in connection with the fire.
A report has been filed regarding gross vandalism and the area has been cordoned off. It is unclear how the fire started and a technical investigation will be conducted.