Russia threatens to take nuclear ‘countermeasures’ over reports U.S. plans to upgrade weapons in Europe
![Russia threatens to take nuclear ‘countermeasures’ over reports U.S. plans to upgrade weapons in Europe](http://www.vancouversun.com/cms/binary/11111960.jpg)
The Kremlin said plans reported by German media for the U.S. to upgrade its nuclear arsenal in the country would be 'a serious step towards raising tension' in Europe