 The police command in Canoo has confirmed that the explosion that killed nine persons last Tuesday was caused by chemicals used for making bombs. And this follows an investigation carried out by the explosive Ardenas Disposal Chemical Biological Radiological and Nuclear Defense EODCBRN and Operation Puff Adder of the Nigerian Police. Meanwhile arrests have been made linking one of the collapsed shops with dealings and sales of illicit toxic chemical substances and combustible materials suspected to be used for making improvised explosive devices, IEDs. Evidence of poachers was also recovered and investigation is in progress.