Drones attacked another Russian oil refinery as Moscow continued to carry out its combined air strikes across Ukrainian regions, targeting the country's civilian and critical infrastructure.| RadioFreeEurope/RadioLiberty
Three years on, the Ukrainian city of Kupyansk is on the verge of being seized by Russia once again. This time, it reflects Ukrainian struggles as much as it does Russian determination -- and the Kremlin’s willingness to absorb mind-numbing casualties.| RadioFreeEurope/RadioLiberty