MILTON, N.Y. (AP) _ The Saratoga County Sheriff's office is investigating whether a second motorcycle was involved in an accident that killed a 19-year-old rider.

Sheriff's Sgt. Brent Dupras tells media outlets that eyewitnesses reported there was a second motorcycle involved in the crash on Route 67 in Milton on Tuesday. Deputies say 19-year-old Thomas Jansen of Burnt Hills crashed into a guardrail shortly after noon and flew off his 2005 Honda, landing on the road.

Dupras later died at Ellis Hospital in Schenectady.

The sheriff's office is expected to release more information on Wednesday.