Ty Grant, 29, injured, and Denise Zawaski, 27 dead after ATV accident in Pawnee County, OK

A fatal ATV accident occured around 5:37 p.m., and involved two people from Sand Springs. Oklahoma Highway Patrol say the driver lost control of his ATV at Motorcycle Island.  Moments later, both he and his female passenger became separated from the vehicle. The passenger, Denise Zawaski, was declared dead at the scene. The driver, Ty Gant, was sent to a Tulsa area hospital. Neither of the riders were wairing helmets. Check for updates on this emergin story.