Boko Haram attacks cripple northern Nigeria’s economy

Boko Haram attacks cripple northern Nigeria’s economy:

KANO, 12 February 2013 (IRIN) - Commercial activities in the northern trade hub of Kano are down by half since 2010 because of the campaign of violence waged by militant group Boko Haram and government efforts to curb it, says the Kano traders' union.