A female patron who had been ejected from an after-hours dance club fatally injured a woman early Saturday after plowing her car into a crowd outside the North Philadelphia nightspot, police said. The mayhem began about 4 a.m. outside Club Motivation at 2315 N. Eighth St., witnesses said. Shots were fired, cars were smashed, and at least two people were injured, one fatally. Homicide detectives were still sorting out details late Saturday, said Lt. Frank Vanore, a police spokesman. He did not identify the driver whose vehicle jumped a curb and struck several pedestrians. A 20-year-old woman was pronounced dead...