Ukraine’s National Olympic Committee initiates an appeal to the Court of Arbitration for Sport (CAS) against a decision by the International Olympic Committee (IOC) involving Russian participation in Olympic competitions. Multiple outlets report that the IOC moves to provisionally reinstate the Russian Olympic Committee and to ease restrictions on Russian athletes. Ukraine argues the IOC’s action is premature and is inconsistent with the Olympic Charter and sports law. The appeal is framed as a challenge to the IOC’s decision-making process and its legal basis, with Ukraine seeking CAS review of the IOC’s reintegreation step and related restrictions. The outlets also describe the action as an official appeal launched by Ukraine’s Olympic authorities, rather than a diplomatic complaint or political statement. The reporting is consistent that the dispute centers on whether the IOC’s provisional reinstatement and relaxation of limits on Russian athletes should stand while any broader eligibility conditions remain unsettled. The CAS process will determine whether the IOC’s decision should be upheld, modified, or reversed.