The Guinean drug enforcement agency is one of several in Africa confiscating an increasing amount of cocaine and other illegal drugs. The Oct. 23 arrest in Cameroon of a Nigerian charged with carrying heroin highlights what officials say is a growing problem of drug trafficking in Central Africa. The neighboring region of West Africa has already become established as a stepping stone to Europe for South American traffickers, according to a July Interpol report. (Associated Press)

The Guinean drug enforcement agency is one of several in Africa confiscating an increasing amount of cocaine and other illegal drugs. The Oct. 23 arrest in Cameroon of a Nigerian charged with carrying heroin highlights what officials say is a growing problem of drug trafficking in Central Africa. The neighboring region of West Africa has already become established as a stepping stone to Europe for South American traffickers, according to a July Interpol report. (Associated Press)