A Tarpon Springs man was killed, and two other people were seriously injured in a crash on Keystone Road in Tarpon Springs on Saturday evening, authorities said. The Tahoe crossed over the grass median into the westbound lanes, where it collided almost head-on with a 1996 GMC Sierra pickup truck, troopers said. Dunning was taken to the same hospital with serious injuries, troopers said. The driver of the pickup, Jane Elizabeth Dietz, 51, of New Port Richey was taken to Regional Medical Center Bayonet Point in critical condition. A passenger in the pickup, 45-year-old James Paul Wells, died at the scene.