KEY POINTS
  • Russia's war with Ukraine entered a new phase this week with Moscow focusing its war machine on eastern Ukraine.
  • The move is seen as a bid for Russia to cement its grip on the Donbas — an area which includes two breakaway, pro-Russian self-proclaimed "republics" — and to try to annex it.
  • How Russia's latest offensive goes in the Donbas region could prove to be extremely significant and decisive in the war against Ukraine, analysts warn.
  • It could determine how Ukraine's territorial boundaries look in weeks and years to come.
Ukrainian soldiers stand on their armored personnel carrier (APC).

Russia's new offensive in the Donbas region could prove to be extremely significant and decisive in the war, analysts warn, and could determine how the country's territorial boundaries look in weeks and years to come.

"The Russian war machine in the east could prove to be a very painful threat for Ukraine quickly," Maximilian Hess, fellow at the Foreign Policy Research Institute, told CNBC Tuesday.