Buhari was believed to have been the target of the second bombing, but escaped unhurt, according to an official said.
Two vehicles in the convoy of the former military head of state were burnt in the blast. His bullet-proof jeep was sprayed with bullets, but he escaped unhurt.
Boko Haram Islamists, who have been blamed for the twin bombings in Kaduna, have made direct threats on Buhari’s life.
Leader of the terror group, Abubakar Shekau has branded him a traitor to Islam for accepting democratic rule.
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