A senior Russian general was killed in a bomb blast in a residential neighborhood in Moscow, Russian media reported Tuesday, in what Ukrainian sources told ABC News was an intelligence operation. Lt. Gen. Igor Kirillov was killed by an explosive device that appears to have been hidden in a parked scooter and set off by remote control, Russian state-affiliated media reported. "He is actually the highest ranking Russian military officer killed away from the front lines," ABC News Chief Foreign Cor