NEW : Ivo Sanader was arrested in Salzburg , official says . Comment: A party member claims Sanader will return to Croatia to prove his innocence . Interpol and Croatian prosecutors accuse Sanader of fraud and corruption .
NEW : Ivo Sanader was arrested in Salzburg , official says . Sanader is wanted for abuse of position and power in Croatia . A party member claims Sanader will return to Croatia to prove his innocence . Interpol and Croatian prosecutors accuse Sanader of fraud and corruption .