Tanzania de-flags tankers for ‘illicit transfers’ of Iranian crude 27 October 2020 Removals follow letters to Tanzania’s Zanzibar Maritime Authority from a US-based NGO, United Against Nuclear IranAuthor: Capt. Johnhttps://lloydslist.maritimeintelligence.informa.com/LL1134420/Tanzania de-flags tankers for illicit transfers of Iranian crude