Nigerian President Goodluck Jonathan visits Kano after attacks
President Goodluck Jonathan has made a trip to Kano following the devastating bomb attacks, which left more than 150 people dead.
He went to the military hospital and also met the Emir of Kano and promised to defeat the perpetrators of the attacks on the city.
The militant Islamist group Boko Haram says it was responsible for the attack.
The BBC's Andrew Harding reports.