Residents from Adamawa State react to the state of emergency declared by Nigerian President Goodluck Jonathan.

The Nigerian army has begun what it calls "operations to rid the nation's border territories of terrorist bases and activities". This follows the state of emergency declared by President Goodluck Jonathan in three states in the north-east - Borno, Adamawa and Yobe. The president says the operation is designed to restore security and it follows an upsurge of deadly attacks blamed on the militant sect Boko Haram. Focus on Africa has been hearing from some residents in Yola, the capital of Adamawa State