Article continues below advertisementDisgraced Andrew Mountbatten-Windsor and Sarah Ferguson have been quietly placed under a suicide watch-style monitoring system as they see out their days at the Royal Lodge, OK! can reveal.Senior royals secretly made the move as they fear the pair have become so overwhelmed by scandal and isolation that they may be at risk of self-harm and even taking their lives, according to sources who claim the situation has reached a "deeply worrying" point.