Thousands of delegates of North Korean ruling Workers' Party begin meeting in Pyongyang to review country's progress and to look ahead. Also on East Asia Tonight: South Korea's Yoon Seok Yul not budging from his original position that his call for martial law in 2024 was based on the needs of the nation; and Japan's Takaichi delivers first policy speech since re-appointment as prime minister. 00:00 Headlines 01:45 North Korea's party congress begins 10:46 Yoon defiant over 2024 martial law