France's DCNS says India submarine data leak may be 'economic warfare'

By Matt Siegel and John Irish SYDNEY/PARIS (Reuters) - French naval contractor DCNS said on Wednesday it may have been the victim of "economic warfare" after secrets about its Scorpene submarines being built in India were leaked. India opened an investigation after The Australian newspaper published documents relating to the submarine's combat capabilities, raising concerns over another major contract with Australia. The leak contains more than 22,000 pages outlining the details of six submarine