Week in Pictures: 21 - 27 January 2012

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Defected army soldiers backing anti-government protesters stand guard on sandbags as protesters march to demand the release of detained fellow protesters in Sanaa January 26, 2012. REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS CIVIL UNREST MILITARY)

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Michael Jackson's daughter Paris (L) and brother Tito Jackson share a moment at a ceremony where the singer is immortalized with hand and foot imprints in cement in the courtyard of Hollywood's Grauman's Chinese Theatre in Los Angeles January 26, 2012. RE

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A boy jumps into the Atlantic Ocean at the beach in Bata January 27, 2012. REUTERS/Amr Abdallah Dalsh (EQUATORIAL GUINEA - Tags: SOCIETY TRAVEL)

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First lady Michelle Obama (R) stands with her daughter Malia (2nd R) as U.S. President Barack Obama (L) delivers remarks during a day of service to honor Martin Luther King, Jr, at the Browne Education Campus school in Washington, January 16, 2012. REUTER