Seoul's special representative for Korean peace and security affairs is set to meet with Washington's top nuclear envoy in Europe this week to discuss how to achieve North Korea's denuclearization.<br />The U.S. State Department says Stephen Biegun will travel to Brussels and Berlin this week, during which he will sit down Lee Do-hoon.<br />The department says the two will aim to "advance shared efforts to achieve the final, fully verified denuclearization of North Korea.<br />The meeting comes after U.S. President Donald Trump and North Korean leader Kim Jong-un last Sunday held a surprise meeting at the inter-Korean border.<br />The two leaders agreed to resume working-level nuclear talks,... after their second summit in February failed to produce an agreement. <br />