True Story Behind Port-Harcourt's Explosion

Reports came in later yesterday about the actual and authentic cause of the explosion at Rumuokoro round-about, Port-harcourt. stating that the explosion was as actually caused by a robberey gang, which carried explosive materials(dynamite) in their bus, and while smoking ciggarets on their way to rob. The heat/fire from the ciggaretes triggered the explosives killing only the driver, the other three survived and were arrested by the police.....
I dannydigit thinks its all the same, just that it isn't "boko haram" but they are explosive materials that explode right? isn't that what bombs do, explode?? Our Government and securiy personnels should find a way or means to put and end to this "explosive dangers". I mean explosives shouldn't be easy to get, even robbers now have access to such. its absurd. That is to say it's in circulation...Bikko, Ejo, Don allah and abeg...already