On March 13, the European Court of Human Rights ( ECHR ) ruled that Ukraine failed to take sufficient action to prevent and investigate the violent clashes in Odesa in May 2014. The case was based on seven applications submitted by 28 individuals, including 25 victims' relatives and three survivors, between 2016 and 2018. The deadly violence occurred on May 2, 2014, when pro-Russian activists attacked a pro-EuroMaidan rally, leading to a violent confrontation. The attackers retreated to the