London's Metropolitan Police and the FBI have caught an international criminal gang said to have made tens of thousands of dollars by buying their own songs from Apple iTunes and Amazon with stolen credit cards.

The gang are alleged to have created several songs that they provided to an online American company, which uploaded them to be sold on the two Internet sites.

It is believed that over four months, beginning in Sept. 2008, the gang used 1,500 stolen or cloned British and American credit cards to buy songs worth $750,000.

Amazon and iTunes, which were unaware of the fraud, paid out $300,000 in royalties.

Six men and three women were arrested Wednesday by 60 officers at addresses in London, Birmingham, Wolverhampton and Kent. A man in his forties, was arrested later.

They are all being held in custody on suspicion of conspiracy to commit fraud and money laundering.

A police source said: "We will not know why they did what they did until we have conducted all the interviews."

It is believed that one of the gang is a DJ and that he created the songs that were then bought.

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