Yankton, Vermillion and Gayville firefighters responded to two injury accidents within five minutes of each other. The first accident was reported east of Yankton three miles on 309th Street where a stolen vehicle chase resulted in a rollover where both occupants were ejected. Both were transported by Yankton ambulance to Yankton hospital. The second accident occurred north of Gayville at 309th and 451st Avenue where two vehicles collided nearly head on. The driver of the northbound vehicle received minor injuries and was transported by Vermillion Ambulance to a Vermillion Hospital. The driver of the southbound vehicle required extrication and was transported by Yankton Ambulance to Yankton Hospital with serious injuries. Submitted by Deputy Chief Larry Nickles.