According to the boy's defense attorney, it is a matter of an accident. He does not want to go into what type of liquid it is, reports NRK.
Three people suffered serious burns when the line bus suddenly caught fire during Saturday evening. The fire process was very fast, and the bus was completely destroyed in the violent fire. About 15 people were on board the bus, which was on its way from Oslo to Enebakk.
The boy was arrested later in the evening after witness statements. He is suspected of causing danger to the public.
In addition, the 15-year-old is suspected of having stolen a wheel loader after the bus fire, according to the police. The boy is known to the police previously.