Complex sentence: Nine people were killed, including the operator in the lead car of the moving train, Jeanice McMillan, 42, of Springfield, Virginia; at least 80 people were injured; the death toll makes the crash the deadliest in Metro history.
Split into simpler sentences: Nine people were killed, including the operator in the lead car of the moving train, Jeanice McMillan, 42, of Springfield, Virginia; at least 80 people were injured. The death toll makes the crash the deadliest in Metro history.