Russian forces fought their way into the centre of Ukraine's industrial city of Sievierodonetsk on Wednesday, edging closer to claiming a big prize in their offensive in the eastern Donbas region.
But in a boost for Ukraine, locked in a grinding struggle against Russia's invading army, the United States announced a new $700 million weapons package for Kyiv which will include advanced rocket systems capable of hitting targets up to 80 km (50 miles) away.
