South Korea's President Yoon Suk-yeol said the country will spare no effort to help North Korea, as the isolated nation battles a Covid-19 outbreak, and reiterated he will remain open for humanitarian aid.

"If North Korea responds (to our support), we will spare no medicines including Covid-19 vaccines, medical equipment and health personnel," said Yoon in a speech at the plenary session of the National Assembly today.

Separately in the speech, Yoon also said he will...