Emergency personnel responded about 10:30 p.m. Friday to a vehicle rollover on Floraville Road just east of Martini Road near Baxmeyer Construction east of Waterloo. 

Police said a 2003 Honda Element driven by Aisha L. Walker, 36, of O’Fallon, swerved to miss a possum in the roadway, skidded and overturned.

Walker was transported by ambulance to St. Anthony’s Medical Center in St. Louis County for treatment of injuries that were not considered life-threatening.