Euro 2012 hosts Poland and UK hit back over claims of racism in their countries . CNN investigation claimed racism and anti-Semitism widespread among football fans . French ambassador to the Poland says documentary was unbalanced and biased .
Euro 2012 hosts Ukraine and Poland hit back over claims of racism in their countries . BBC investigation claimed racism and anti-Semitism widespread among football fans . Ukrainian ambassador to the UK says documentary was unbalanced and biased .