South Korea intends to impose new sanctions on Russian ships that deliver oil to North Korea and transport weapons back, states National Security Advisor to the President of South Korea, Chang Ho-jin. He condemned the “comprehensive strategic treaty” signed during the summit by Russian President Vladimir Putin and North Korean leader Kim Jong Un in Pyongyang on Wednesday. “The government expresses grave concern and condemns the signing of the comprehensive strategic partnership agreement between North Korea and Russia, which aims to strengthen mutual military and economic cooperation,” Chang s…