NEW : The U.S. State Department wo n't say whether Italy has requested extradition . Amanda Knox says she will fight to the end , 'wo n't go willingly ' to Italy . Sollecito was sentenced to 25 years in prison . Score: 6 Raffaele Sollecito is stopped near the border with Austria and Slovenia , Italian police say .
NEW : The U.S. State Department wo n't say whether Italy has requested extradition . Amanda Knox says she will fight to the end , 'wo n't go willingly ' to Italy . Score: 6 Raffaele Sollecito is stopped near the border with Austria and Slovenia , Italian police say .