SEOUL, South Korea (AP) — North Korean leader Kim Jong Un condemned South Korean-U.S. military drills and vowed a rapid expansion of his nuclear forces to counter rivals, state media said Tuesday, as he inspected his most advanced warship being fitted with nuclear-capable systems.

President Donald Trump is willing to meet with North Korean leader Kim Jong Un, he told his South Korean counterpart on Monday when they discussed peace in the Korean Peninsula and Pyongyang’s nuclear weapon capabilities.

Trump told South Korean president Lee Jae Myung he would like to meet with North Korean dictator Kim Jung Un after the South Korean leader noted that North Korea had “developed further its nuclear and missile capabilities” during the four years Trump was out of office after having lost the 2020 election.