The alarm came at 16:20.
Emergency services are on site and ambulances are alerted.
According to the SOS alarm, all passengers must be evacuated.
It is unclear how many people were on the bus.
- It is a double-decker that caught fire.
We're there trying to put out the fire.
All have been evacuated according to my information, Kristin Jonsson, operations manager.
According to the alarm, the bus must be in a southbound lane.
According to the Swedish Transport Administration, accessibility is limited.