What character in "Grey's Anatomy" died from being hit by a bus?

"Grey's Anatomy" is the longest-running scripted primetime show currently airing on ABC, and the longest scripted primetime series carried by ABC.

George O'Malley was a surgical resident at Seattle Grace Hospital. As an intern, George got off to a rough start but quickly became a very skilled and talented surgeon. He was best friends with Izzie Stevens. He was married to Callie Torres but divorced after he cheated on her. He was kind-hearted, compassionate, and loyal. He died after jumping in front of a bus to save a woman's life.