Authorities say a suspected armed robber is killed when explosives he was transporting accidentally went off in the center of Nigeria's main oil city of Port Harcourt Thursday.<br/> <br />The blast ripped through a minibus carrying at least three suspected robbers, four AK-47 rifles and a large amount of ammunition.<br/> <br />Authorities toured the scene, confirming that the blast was not the work of a suicide bomber but an accident caused by the robbers.<br/> <br />An eyewitness describes what happened.<br/> <br />(SOUNDBITE) (Nigerian English) KINGSLEY CHUKWU, ROAD SAFETY OFFICIAL, SAYING:<br/> <br />"We saw it was a bomb blast...the driver ran away, the conductor died in the blast because bomb lift him up and we can confirm those who planned this bomb."<br/> <br />Port Harcourt is at the heart of Nigeria's two million plus barrel a day oil industry. It has been plagued by militant groups and criminal gangs hoping to cash in on the money it generates.<br/> <br />Deborah Lutterbeck, Reuters.
