Muhammad Irfan Danyal bin Mohamad Nor, a Singaporean student, was detained in December under the Internal Security Act, which allows for detention without trial for up to two years.
An oil tanker is moored at the Sheskharis complex, part of Chernomortransneft JSC, a subsidiary of Transneft PJSC, in Novorossiysk, Russia. (AP Photo, File)