Russia calls for end to 'over the top' rhetoric on N.K.

Latest: Russian Foreign Minister Sergei Lavrov has said the risks of a military conflict over North Korea's nuclear program are rising and suggested the rhetoric was now "starting to go over the top".

Update 6.45pm: Russian Foreign Minister Sergei Lavrov has said the risks of a military conflict over North Korea's nuclear program are rising and suggested the rhetoric was now "starting to go over the top".

Mr Lavrov also said Russia is deeply worried by the threats being traded by Washington and Pyongyang.