A stalker fixated with Prince Harry was reportedly twice able to pass within feet of him during his UK visit last month.

On September 9, the woman was allowed to enter a 'secure zone' at a hotel in central London where the Duke of Sussex was present for the WellChild Awards.

Then two days later she was intercepted by a member of Harry's private staff at the Centre for Blast Injury Studies in west London, at which there was no police presence.

The woman is said to be on a list of individuals known to be obsessed with the royal which was compiled by a private intelligence firm for the Prince's personal security team.

Her mental health status is unknown but it is believed in the past she has followed the Duke around the globe.