A 15 year old teen from Savannah was seriously injured Saturday night and an 11 year old from Oregon was also involved after an ATV crash in Holt County. The 15 year old male was backing on Barbour Avenue in Oregon when he made a left turn and then a right turn while backing which caused the ATV to overturn. Both were ejected. The 15 year old was taken by Atchison-Holt County Ambulance to Mosaic Life Care in St Joseph. The 11 year old male was treated at the scene and released.