A police statement said the vehicle drove away from the scene and is being sought.
Other media reports described the vehicle as a small white bus. It drove away from the scene of the accident, which took place around 4 a.m. local time.
The incident took place at the "PinkPop" concert, a popular festival being held in Limburg province in the south of the Netherlands. Currently, no statesment or confirmation of terrorism was made.
