A 13-year-old girl was decapitated on Tuesday when she stuck her head out of the window of a moving bus and was hit by a truck coming from the opposite direction on a highway in Madhya Pradesh's Khandwa district, police said.

The incident occurred at around 9.30 am at Roshiya Fate on Indore-Ichhapur Highway, additional superintendent of police (ASP) Seema Alawa said.