The United Nations has reported a significant increase in the number of executions of captured Ukrainian soldiers by Russian armed forces. Since August, 79 Ukrainian troops have been killed in 24 separate incidents. Many soldiers who were taken into custody or surrendered were shot dead immediately, while others described witnessing the killings of unarmed and injured soldiers.
Source: https://www.politico.eu/article/un-sees-alarming-rise-in-executions-of-ukrainian-soldiers-by-russia