An Ohio man has been found incompetent to stand trial after his 16 grandchildren were found living in filthy conditions.

Authorities say 16 children from the same family who were rescued from a run-down home in rural Ohio were living in horrific conditions and were confined to just one room over much of the past four years.

Authorities have arrested four adults on felony child endangerment charges after discovering 16 children in need of medical treatment in a rural Ohio home.