Nigeria’s president has vowed to bring terrorism “under control” in his country, he told reporters on Saturday.

President Goodluck Jonathan walked among the ashes of the of United Nations headquarters in the nation's capital of Abuja.

On Friday, the building had been set ablaze when a suicide bomber crashed an explosive-filled sedan into the reception area before detonating his bombs.

At least 18 people were killed in the attack.

President Jonathan gave a brief statement to reporters, promising that he would address the threat posed by a known local terrorist sect, Boko Haram. He acknowledged that the Nigerian government has been unable to stop the group from carrying out assassinations and bombings in Africa’s most populous nation.

As a government, he said, “We will bring this under control.”