ST. AUGUSTA - A head-on collision on Interstate 94 caused serious injuries and backed-up traffic for miles.

The State Patrol says the incident happened near St. Augusta just before 4:00 p.m. yesterday (Monday).

A vehicle pulling a trailer drove through the freeway fence off Cooper Avenue and continued driving the wrong way going eastbound in the westbound lane.  Two other vehicles were hit, one of them head-on, before the first vehicle rolled in the ditch.  The driver of the first vehicle was suffering from a medical condition.

The driver of the first vehicle was 49-year-old John Fischer of St. Cloud - he suffered non life threatening injuries.  The driver and the passenger in the second vehicle were both 18-year-old men from California - neither one of them were hurt.  The driver of the third vehicle was a 50-year-old man from North Dakota - he had non life threatening injuries.  A passenger in the third vehicle is in critical condition - she's a 52-year-old woman from West Fargo, North Dakota.