South Korean and Russian Presidents Moon Jae-in and Vladimir Putin on Monday discussed the possibility of cutting off North Korea’s oil supplies as a possible response to the DPRK’s sixth nuclear test.

During the phone call, the two leaders discussed possible solutions to the North’s developing nuclear program, with the Russian side urging that all parties return to talks, Russian media reported.

“The Russian side once again stressed that this extremely complicated situation can be settled only through the resumption of talks and wide use of political and diplomatic means,” the Kremlin reported, in a statement carried by state