Thousands of military personnel and hundreds of civilians would be killed if the United States launched an air strike on Iran to prevent it developing nuclear arms, a British think tank said in a report released on Monday. The report by the Oxford Research Group said any bombing of Iran by U.S. forces, or by their Israeli allies, would have to be part of a surprise attack that would inevitably catch many Iranians unprotected and could eventually lead to a lengthy confrontation involving many other countries in the region. Full Story