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Impact on trade of Nigeria violence

14 May 2014 Last updated at 10:19 BST

The eyes of the world are on Nigeria following the kidnap of more than 200 girls one month ago.

Wednesday also marks one year since the Nigerian government declared a state of emergency in the north east of the country, at the heart of an insurgency by the militant Boko Haram group.

There has been a surge in troop deployment in response then but this has not stopped the attacks, which have affected life and business across northern Nigeria.

The BBC's Tomi Oladipo reports from the commercial city of Kano.

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