Simon Cowell has called in police over internet claims that Britain’s Got Talent is fixed.

The panel judge made the complaint to officers after an anonymous internet blogger alleged that show favourite Ronan Parke had been groomed for stardom.

The blogger claimed that the 12-year-old, who has won a place in Saturday night’s final on the ITV1 show, had been known to Simon’s firm, Syco, for two years, and that he already has a management deal and has been moulded to appeal to the audience.

Claims that his hairstyle, clothing and mannerisms were all choreographed were also made.

The allegations resulted in Simon’s lawyers going to a west London police station to report the offence.

A Scotland Yard spokesman said: “An allegation of malicious communications was made to Kensington and Chelsea police on Thursday June 2.

“The allegation is being considered.”

The schoolboy won the viewers’ vote in the first semi-final on Monday night, putting him straight through to the Saturday show.

Syco and Sony Music said they would take legal action to ‘prevent further publication of these unfounded allegations’.

Ronan’s mother Maggie also dismissed the claims that he was auditioned by talent scouts who had spotted him performing at a birthday party for family friend Bryan Gunn, the former Norwich City goalkeeper.

“It’s laughable, to be perfectly honest with you, and it couldn’t be further from the truth,” she told BBC Radio Norfolk.