A notorious organised crime gang tried to buy Lazio through third parties using funds gained from violence and intimidation.

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The plan by the Casalesi clan of the Camorra - the Naples version of mafia - came to light as police in Rome were making 10 arrests as part of an operation codenamed 'Broken Wings'. The people being held are Italians and foreigners.

In 2006, Lazio president Claudio Lotito was given police protection after receiving threats from ultras at a time when many fans were calling for him to leave the club (pictured).

The ultras, a group of extreme supporters, were allegedly trying to intimidate him into selling to a consortium led by former Lazio player and president Giorgio Chinaglia.

Chinaglia was charged with market-rigging linked to his bid and had since been a fugitive in the United States. Allegations that the mafia were behind his bid have only now been revealed.

"He had a significant role because he was used as an external point of reference for the attempted acquisition," said a source close to the investigation, codenamed "Broken Wings".

Chinaglia said at the time of the bid that he represented Hungarian pharmaceuticals group Richter Gedeon. The company denied any interest.

Lazio, who won the second of their two Italian titles in 2000, are stretched financially and finished 12th in Serie A last season. They are not expected to challenge the top sides this term.