"Both ministers shared the understanding that the North Korean nuclear issue needs to be urgently addressed under the administration of [US President Joe] Biden and agreed to maintain close consultations to resolve the issue", the Foreign Ministry said in a press release.
Kim Jong-un Says North Korea Should Keep Improving Nuclear Weapons to Deter Hostile Forces - Reports
8 January 2021, 21:29 GMT
Kang and Blinken also agreed to expand South Korea-US relations via cooperation around issues of global significance, such as climate change and COVID-19, according to the press release.
The South Korean foreign minister congratulated her US counterpart on his confirmation, which took place on Tuesday.
The conversation lasted for 30 minutes.