DUBAI, Oct 16 (AFP) - A statement attributed to the group of Abu Mussab al-Zarqawi, Iraq's most-wanted man, claimed on Saturday that it had beheaded 11 members of the Iraqi police and national guard. "Today alone, your brethren were able to decapitate 11 apostates ... affiliated to the so-called national guard and police force," said the statement attributed to the military wing of the Tawhid wal Jihad (Unity and Holy War) group and posted on one of the main Islamist websites. The authenticity of the statement could not be confirmed, nor could the claim of beheadings be verified. The statement...