Ex-Mitsubishi heads deny cover-up
The former chief of Japanese carmaker Mitsubishi Motors has denied criminal charges that he conspired to cover up defects which led to a fatal accident.
Former president Katsuhiko Kawasoe and ex-vice president Takashi Usami are on trial in Yokohama, near Tokyo.
Mitsubishi has admitted that it covered up the clutch problem which led to the death of a truck driver in 2002
