NEW : The suspect ` ` converted to radical Islam , '' like others ' , a prosecutor says . A total of 10 people were arrested Saturday across France , as part of the law enforcement operation . NEW : 10 people nationwide are detained and accused of having terrorist ties , he adds . France : Police seize ammunition and a list of possible targets , a prosecutor says . France 's president hails law enforcement officials for their actions in the attack .
NEW : The suspect ` ` converted to radical Islam , '' like others ' , a prosecutor says . NEW : 10 people nationwide are detained and accused of having terrorist ties , he adds . France : Police seize ammunition and a list of possible targets , a prosecutor says . France 's president hails law enforcement officials for their actions in the attack .