SPARTA, WI (WTAQ) - Five western Wisconsin teens were burned early Monday morning, after fireworks exploded in their vehicle in Sparta.

All the victims were 17-year-old boys from the Sparta area.

Police said they were called around 4:30 a.m., when the victims showed up at the city’s hospital.

Officials said the boys were throwing lit fireworks from their vehicle, and one of them exploded inside.

The car driver managed to get the group to the hospital, and four of the five were flown to other hospitals.

Conditions were not immediately disclosed.