Deadly floods and landslides triggered by Typhoon Yagi have affected nearly six million children across Southeast Asia, the UN said Wednesday, as the death toll from the disaster rose. Typhoon Yagi brought powerful winds and torrential rainfall to Vietnam, Thailand, Laos and Myanmar when it swept across the region almost two weeks ago. Thailand reported three more deaths on Wednesday, taking the toll in the kingdom to 18, with a total of 537 fatalities now confirmed across the region. Six million children have been affected by Yagi, United Nations children’s agency UNICEF said in a statement, with access to clean water, education, healthcare, food and shelter all compromised.