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(FILES) - A file handout photograph released by Muttahida Qaumi Movement (MQM) party on September 17, 2010, shows self-exiled Pakistani leader of Muttahida Qaumi Movement (MQM) Altaf Hussain mourning as he prays in London, for Imran Farooq after his murder by an unidentified man outside his home in the Edgware district on the outskirts of the British capital. Hussain, has been arrested in London on suspicion of money-laundering, reports said on June 3, 2014. AFP PHOTO/HO/MUTTAHIDA QAUMI MOVEMENT == RESTRICTED TO EDITORIAL USE AND EDITORIAL SALES - MANDATORY CREDIT "AFP PHOTO / HO / MUTTAHIDA QAUMI MOVEMENT' ==HO/AFP/Getty Images
(FILES) - A file handout photograph released by Muttahida Qaumi Movement (MQM) party on September 17, 2010, shows self-exiled Pakistani leader of Muttahida Qaumi Movement (MQM) Altaf Hussain mourning as he prays in London, for Imran Farooq after his murder by an unidentified man outside his home in the Edgware district on the outskirts of the British capital. Hussain, has been arrested in London on suspicion of money-laundering, reports said on June 3, 2014. AFP PHOTO/HO/MUTTAHIDA QAUMI MOVEMENT == RESTRICTED TO EDITORIAL USE AND EDITORIAL SALES - MANDATORY CREDIT "AFP PHOTO / HO / MUTTAHIDA QAUMI MOVEMENT' ==HO/AFP/Getty Images

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    Pakistani political leader arrested in UK

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Pakistani political leader arrested in UK

The leader of a powerful political party in Pakistan is reportedly under arrest in London. Amara Walker reports.

Pakistani political leader arrested in UK

The leader of a powerful political party in Pakistan is reportedly under arrest in London. Amara Walker reports.