A Saudi man who is the purported spiritual leader of Arab fighters in Russia’s rebel republic of Chechnya has been killed in fighting, an Internet statement said Saturday. “Sheikh Mohammed bin Abdullah bin Saif al-Jaber al-Buaynayn al-Tamimi, also known as Abu Omar al-Saif, the spiritual guide of the mujahedeen (holy fighters) in Chechnya, was martyred during a fight with the Russians, the enemies of God,” said the statement, whose authenticity could not be independently verified. Full Story