Susan Boyle’s brother has expressed his worry that a crazed fan will kill his sister, after an intruder was caught in her house this week.

John told The Sun: “I am very upset about the lack of security. Her management company are too busy counting the money Susan has made them to consider her safety.

“The family have told them several times that vast improvements need to be made to avoid something like this happening.

“This it the second time something has happened to Susan at her home and it is extremely worrying.

“Susan is a massive world star and needs better protection.

“You look at what happened to John Lennon in New York – it’s really worrying.”

However Susan has denied reports that she will be moving out of her childhood home in Blackburn saying:

The Britain’s Got Talent star said: “I’m not going anywhere – nobody’s pushing me out of my house.

“I’m absolutely fine but it was very concerning for everyone. I think he got more of a scare than I did because he ran off.”

“The matter is in hand. The police have been excellent.”