A man has been arrested after climbing over the front gates of Buckingham Palace while The Queen slept inside.
Police are said to have caught the intruder quickly after got into the grounds just off The Mall.
The Queen was in residence at the time, having returned to London from a visit to Cambridge.
Police said a 22-year-old man was arrested on suspicion of trespass at 2am on Wednesday morning.
Sources told The Sun it took police on site around four minutes to apprehend him while they tried to assess whether he was armed.
They said: ‘There was an intruder at the Palace while the Queen lay sleeping in her bedroom and he was on the loose before the cops arrested him.
‘He was determined to get inside the palace and was banging down the doors but, thank goodness, everything was locked up.’
The man remains in custody at a south London police station.
It comes nearly 37 years to the day that intruder Michael Fagan broke into Buckingham Palace and entered the Queen’s bedroom.