(Glenwood, OR)  --  Investigators are trying to figure out what led up to a three-car crash on Highway Six near Glenwood.  Authorities on the scene say a head on collision led to another car going over a bank about three miles east of Glenwood yesterday.  In all, ten people were hospitalized after the crash, at least five in critical or serious condition.  Investigators have not said if drugs or alcohol played a role in the crash.