Nigeria's army has posted two divisions to hunt for 200 schoolgirls abducted last month by Islamist rebels in an attack condemned globally, including by U.S. first lady Michelle Obama on Saturday.

The soldiers are stationed in the border region close to Chad, Cameroon and Niger to work with other security agencies, said General Chris Olukolade, spokesman for the Defense Headquarters.

The government of President Goodluck Jonathan has faced criticism for its slow response since Boko Haram militants stormed a secondary school in the village of Chibok, near the Cameroon border, on April 14, and kidnapped the girls, who were taking exams. Fifty have escaped, but more than 200 remain with the insurgents.


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