Former Olympus President and CEO Michael Woodford speaks to the media at a news conference in London February 16, 2012. Four months after one of Japan's biggest corporate scandals, police and prosecutors on Thursday arrested seven men, including the former president of Olympus Corp and ex-bankers, over their role in a $1.7 billion accounting fraud at the medical equipment and camera maker. The scandal was exposed in October by then-CEO Woodford, who was sacked by the Olympus board after querying dubious M&A deals later found to have been used to conceal the losses. REUTERS/Finbarr O'Reilly (BRITAIN - Tags: BUSINESS CRIME LAW SOCIETY POLITICS)