Movement for Oneness and Jihad in West Africa (MUJAO) fighters stand guard on a tank abandoned by the Malian Army near Gao airport in August 2012. Dozen of Algerian jihadists have arrived in the Malian city of Timbuktu to support armed Islamist groups who are imposing an increasingly brutal version of sharia law in the vast northern areas under their control, security sources said Sunday.
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