FILE - In this image from a video, smoke rises above a distant base, seen from Chbar Mon district in Kompong Speu province, Cambodia on April 27, 2024. A huge explosion in southwestern Cambodia over the weekend that killed 20 soldiers at an army base appears to have been an accident caused by mishandling of ammunition by troops, a senior military official said Tuesday, April 30. (Chim Sothea via AP, File)