KOSCIUSKO COUNTY, Ind. -- The Indiana State Police report, at the request of the Kosciusko County Sheriff's Office and the Mentone Police Department, they are investigating a pursuit which ended in a fatal single-vehicle crash.

A preliminary investigation by authorities indicates Sunday, just after midnight, the Mentone Town Marshal was patrolling S.R. 25 near Princeton Street in Mentone, when the marshal attempted to stop a 2010 Chevy Impala for speeding.

The report states the Impala failed to stop and headed south on S.R. 25.

Authorities say the pursuit continued south from Kosciusko County into Fulton County.

Shortly after crossing S.R. 110, authorities say the Impala veered off the east side of the road for an unknown reason and crashed into a tree.

Despite lifesaving efforts, the driver, identified as a juvenile, was pronounced dead at the scene by paramedics.

The juvenile's family has been notified, but the driver's identity has not been released.

The juvenile passenger was taken to the hospital by helicopter for serious but non-life-threatening injuries.

The passenger's identity has not been released.

Indiana State Police Crash Reconstruction Team members responded to assist with the investigation.