Express.co.ukNorth Korea nuclear weapon progress 'down to secret support from Iran' UK officials fearExpress.co.ukBRITISH officials fear that North Korea's progress in developing nuclear weapons may be down to secret support from Iran, it has been reported. By Sam Sholli. PUBLISHED: 01:40, Sun, Sep 10, 2017 | UPDATED: 02:45, Sun, Sep 10, 2017 ...and more »