ROCKFORD, Ohio -- There is an update on two people who were injured in a plane crash in Mercer County on Friday.

The pilot, Joel Avore, from Greenville, Ohio, is in serious condition at the University of Michigan Hospital in Lansing.

Avore’s passenger, James Cander, of Michigan, is also listed in serious condition at a hospital in Detroit.

Authorities said the small plane crashed into a back yard on Route 33 east of Rockford on Friday afternoon.

At this time, investigators are still not sure how the plane crashed.