BROKEN ARROW — A pregnant woman was killed in a traffic accident Wednesday in Broken Arrow after a man ran a stop sign and hit the car in which she was a passenger, police said. Amber Ellison , 28, of Tulsa , was killed in the collision, which occurred about 5:30 p.m. Wednesday, said Broken Arrow police Sgt. Ed Ferguson . Ellison was six months pregnant. Her fetus did not survive, Ferguson said. No charges have...