Russia shells eastern front, Ukraine says, as war aims appear to shift

Russian forces have shelled the entire front line in the Donetsk region in eastern Ukraine, Ukrainian officials said, part of what appears to be the Kremlin's scaled-back ambition to secure only the bulk of territory it has claimed.

The fiercest fighting was near the towns of Bakhmut and Avdiivka, the region's governor Pavlo Kyrylenko said in a television interview. Five civilians were killed and two wounded in Ukrainian-controlled parts of Donetsk over the previous day, he said early on Friday.

"The entire front line is being shelled," he said, adding that Russian troops were also trying to advance near Lyman, which was recaptured by Ukrainian forces in November, one of a number of battlefield setbacks suffered by Russia in the past few months.

In Bakhmut and other parts of the Donetsk region that neighbours Luhansk province, Ukrainian forces countered with barrages from rocket launchers, a Reuters witness said.

"The Russians have intensified their efforts in Donetsk and Luhansk," Ukrainian presidential adviser Oleksiy Arestovych said in a video post.

"They are now in a very active phase of attempting to conduct offensive operations. We are advancing nowhere but, rather, defending, destroying the enemy's infantry and equipment wherever it tries to advance."

In an early Friday report, the Ukrainian general staff said its forces had attacked Russian positions and troop assembly points in at least half a dozen towns in the south of Ukraine.

Russian losses amounted to about 240 wounded, with three ammunition depots and about various military equipment destroyed, it added.

Reuters was not able to verify battlefield reports.

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President Vladimir Putin has given conflicting statements on the goals of the war but is now clear the aims include some expansion of Russia's borders. This contrasts with comments at the start of Russia's "special military operation" in February, when he said his plans did not include occupying Ukrainian land.

Putin on Friday repeated his accusation that the West was "exploiting" Ukraine and using its people as "cannon fodder" in a conflict with Russia, and said the West's desire to maintain its global dominance was increasing the risks of conflict.

"They deliberately multiply chaos and aggravate the international situation," Putin said in a video message to a summit of defence ministers from the Shanghai Cooperation Organisation and a group of ex-Soviet states.

The Kremlin said on Thursday it was set on securing at least the bulk of the territories in east and south Ukraine, but appeared to give up on seizing other land in the west and northeast that Ukraine has recaptured.

Russia proclaimed in October that it had annexed four provinces shortly after holding so-called referendums that were rejected as bogus and illegal by Ukraine, the West and most countries at the United Nations.

While Russia made clear it wanted to take full control of Donetsk and Luhansk - two largely Russian-speaking regions collectively known as the Donbas - it left unclear how much of the regions of Zaporizhzhia and Kherson it was annexing.

Ukrainian President Volodymyr Zelenskiy says his troops will eventually drive Russia from all captured territory, including the Crimea peninsula annexed by Russia in 2014.