North Korea: Kim Jong-un sister says Joe Biden is ‘in his dotage’ as she criticises nuclear pact

Kim Yo-jong's broadside came after US and South Korea enhance nuclear cooperation and Biden warns Pyongyang an attack would end the regime

The powerful sister of North Korea's leader has said her country will stage more displays of military might in response to a new US-South Korean nuclear deterrence agreement and compared Joe Biden's comments about it as a nonsensical remark from the person in his dotage".

Kim Yo-jong's broadside came after Biden attended a summit with the South Korean president, Yoon Suk-yeol, on Wednesday. The US president said later that any North Korean nuclear attack on the US or its allies would result in the end of whatever regime" took such action.