For a tense half a minute the Queen's 53-year-old son was in danger of being shot dead by officers paid to protect him and his family.
An internal inquiry is now being carried out into the extraordinary incident, which took place last Wednesday, after Scotland Yard confirmed Prince Andrew was mistaken for an intruder.
Royal protection officers were said be “jittery” after a genuine intruder had been found in the Palace’s state rooms two days earlier.
A suspected accomplice was also arrested in a street outside the Palace.
Speaking exclusively to the Sunday Express, a royal insider said: “Everyone is talking about these two incidents and can’t quite believe what has happened.
Click link for full post from EXPRESS