SEOUL: US and Israeli military strikes on Iran will reinforce the nuclear ambitions of North Korean leader Kim Jong Un, say experts and former officials, as attention focuses on whether he might return to negotiations with President Donald Trump. Talks to tackle Pyongyang’s arsenal of nuclear weapons and ballistic missiles, subject to heavy international sanctions, broke down despite summits between Kim and Trump in 2018 and 2019, but the attacks on Iran could spur it to reconsider.