Russia and Ukraine pounded each other's forces in heavy fighting in the eastern region of Donetsk on Tuesday as Kyiv's allies meeting in Paris pledged just over 1 billion euros ($1.05 billion) to help Ukrainians survive the freezing winter.
Russian forces are battling to take control of the Donetsk and Luhansk regions, two of four territories the Kremlin claims to have annexed in votes rejected by most countries as illegal.
