The official said the suspects had been on the verge of carrying out attacks when they were detained, and demonstrated a photograph of materials allegedly seized from the suspects showing four bags of fertilizer, seven sticks of dynamite, a combat rifle and detonators.
Osama bin Laden is reported in one of his messages to have named oil-rich Nigeria as a country ripe for liberation from Western influence, and periodically the U.S. Embassy in Nigeria issues terror attack warnings.
According to the BBC, Nigeria has not suffered a terrorist attack and despite occasional arrests of suspected Islamic militants there is no evidence of al-Qaeda in Nigeria.