Jonathan said his government will "continue to take every step to put an end to the reprehensible acts of all groups and persons involved in acts of terrorism."
More than 102 people were killed in the bomb explosions at the central mosque in Kano, said a hospital worker.
The multiple explosions that hit the mosque on Friday injured more than 150.
"Most of those receiving treatment ... Are in dire need of blood and we are appealing to people to come and donate their blood to rescue the victims," Dr. Usman Bashir told Associated Press today.
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Witnesses said heavy smoke could be seen billowing in the sky from a long distance away. Immediately after the blasts, hundreds of angry youths took to the streets in riots, throwing stones, brandishing sticks and shouting at security officials.
The palace of the Emir of Kano is near the central mosque. The Emir, one of the highest ranking Islamic figures in Nigeria, is currently out of the country, said palace officials.
Boko Haram has not claimed responsibility, but the attack bears the hallmarks of the militant group that has carried out numerous such attacks in northern Nigeria, including in Kano.
The attack was condemned by U.N. Secretary-General Ban Ki-moon who called the attack "horrific," pledged U.N. Support for Nigeria's fight against terrorism, and called for the perpetrators to be swiftly brought to justice, according to his spokesman.