Bengaluru: Karnataka Police on Thursday arrested a Nigerian national after discovering a narcotics factory here and seized Rs 2 crore worth 4 Kgs of MDMA synthetic drugs. !CCB arrest African drug peddler manufacturing MDMA drugs.supplied it by concealing in Shoe sole.4 Kgs MDMA worth Rs 2 cr seized.also apparatus, chemicals,reqd for MDMA synthesis seized. Acting on a tip-off, the CCB …