INDIANAPOLIS — Police arrested two men in connection with an explosion Friday night under a railroad overpass on West 16th Street just east of the Indianapolis Motor Speedway.

According to information from the Indianapolis Metropolitan Police Department, a 56-year-old man and a 21-year-old man were taken into custody by detectives investigating what was described as "an explosion in mid-air" directly in front of a motorist's vehicle.

The 56-year-old man was arrested for manufacturing and possession of a destructive device, while the 21-year-old man was booked for possession of a destructive device and criminal mischief. The Marion County Prosecutor's Office will determine formal charges.

RTV6 does not name suspects until formal charges are announced.

Officers found found a woman sitting in her vehicle with dirt, glass and other debris in the road when they were dispatched to the 3700 block of West 16th Street to investigate the explosion.

The woman told officers she was driving eastbound on 16th Street and the device exploded in front of her vehicle as she went under a railroad overpass.

Her vehicle suffered minor damage with scratches and paint dings, IMPD said. The lights under the overpass were also broken.

IMPD said three people were detained and interviewed following the incident.