Original sentence: It is a self-proclaimed state which is widely rejected by the international community, that receives humanitarian and military support from the Russian Federation.The Donetsk People's Republic (DPR or DNR) (, , ) is an unrecognized state and a rebel group based in the Donetsk oblast of Ukraine, where it controls territory
Edited sentence: The Donetsk People's Republic (DPR or DNR) (, , ) is a self-proclaimed state which is widely rejected by the international community, that receives humanitarian and, according to pro-Ukrainian sources, military support from the Russian Federation