俄罗斯最新通报：已致20死134伤

Group 1 - The explosion at the "Erastek" factory in Ryazan region, Russia, occurred on the 15th, resulting in significant casualties [2] - The incident has led to 20 confirmed deaths and 134 injuries, highlighting the severity of the explosion [2] - The fire caused by the explosion has completely destroyed the building of the factory's powder workshop [2]