Nuclear News Roundup Sep 09, 2017 Angela Merkel has offered German participation in any future nuclear talks with North Korea and suggested that the 2015 agreement with Iran could serve as a model for negotiations. Theguardian.com Britain is at risk from North Korea’s long-range nuclear missile program, the Defence Secretary has warned. Telegraph.co.uk Britain's Telegraph newspaper is reporting that U.K. officials fear that Iran or Russia may have helped North Korea’s "sudden advancement" in the development of nuclear weapons. Rferl.org Traces of radioactive material were detected in South Korea by the nation’s nuclear safety agency Friday, less than a week after North Korea conducted its most powerful nuclear test. Foxnews.com