helsinki finnish court ban neo-nazi group nordic resistance movement pvl thursday say urgent social need shut group say spread hate speech incite violence police ask far-right group finnish intelligence service say aim create national socialist state close association offend ethnic group spread hate speech district court pirkanmaa country southwest say verdict addition offend hateful expressions ... association urge supporters use violence harassment allege enemies urgent social need shut association like pvl court say member group sentence two years jail last year follow death 28-year-old man assault demonstration helsinki anti-immigrant sentiment rise finland country 5.5 million 32,000 migrants refugees arrive europe migrant crisis 2015. finnish court ban neo-nazi group