(NEW YORK) — Russian President Vladimir Putin’s “special military operation” into neighboring Ukraine began on Feb. 24, with Russian forces invading from Belarus, to the north, and Russia, to the east. Ukrainian troops have offered “stiff resistance,” according to U.S. officials.

Russian forces have since retreated from northern Ukraine, leaving behind a trail of death and destruction. The United States and many European countries accused Russia of committing war crimes after graphic images emerged of dead civilians in the town of Bucha, near Kyiv. The Russian military has now launched a full-scale ground offensive in eastern Ukraine’s disputed Donbas region, as it attempts to capture the strategic port city of Mariupol and secure a coastal corridor to the Moscow-annexed Crimean Peninsula.

Here’s how the news is developing. All times Eastern:

Apr 19, 11:40 pm
Russia could be making probing attacks ahead of larger assault in Donbas: US official

As Ukrainian forces brace for a full-scale assault in the eastern part of the country, a U.S. official said the increased pace of operations from Russian forces in the past 24 hours could be probing attacks or the beginning of the main battle for the Donbas.

The defense official said the Russian offensive to seize southeastern Ukraine will likely involve a frontal assault from inside Russia and a double envelopment, or encircling, of Ukrainian forces in the Donbas. Russian forces will come south from Izyum and troops in the Berdyansk area will move north to encircle Ukrainian forces in the Joint Forces Operations area in the Donbas.

But the U.S. defense official said Ukraine has the advantage in the region since they have prepared a defense for years, including digging trenches, preparing anti-armor traps and ambush locations and more.

The U.S. and other countries have now provided close to 70,000 anti-tank weapons to Ukraine as well as 30,000 anti-aircraft missiles and 7,000 launchers to fire them, according to the defense official.

As for stopping the shipments of those weapons, the U.S. believes Russia will target the paths and roads in western Ukraine being used to ship Western military aid into Ukraine even though it has not done so yet. Still, it’s believed with the amount of weaponry being delivered to Ukrainian forces, it will be impossible to stop it all.

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