Princess Diana took a fridge filled with her own blood when she went abroad in case she suffered any medical problems, including being attacked.
Her former private secretary Patrick Jephson explained that he and the rest of the security team also had their blood types checked to see if they were a match in case she ever needed it.
He claims the extreme measures were necessary as Diana was "quite often under threat". And Diana wasn't the only one, as the Queen and Prince Charles also carry spare blood with them in case of an emergency.
Jephson said: “Particularly when we were abroad or in the developing world, we would carry a little refrigerator full of spare supplies of Diana’s blood", reports the Daily Star.
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