Happening now the battlefield in Ukraine shifting once again tonight with the

Russia's northern retreat revealing new atrocity this as the first war crimes trial against a Russian soldier

begins in Kyiv. Also tonight US Defense Secretary Lloyd Austin speaking

with his Russian counterpart for the first time since the start of the war in Ukraine

urging the Kremlin to enforce an immediate ceasefire. Here in the United States

President Biden is on the defensive right now

as he struggles to tame a growing crisis for parents' baby formula in

extremely short supply across the entire country.

Does the White House have a plan to tackle the shortage?

We want to welcome our viewers here in the United States

and around the world.

I'm Wolf Flitzer, you're in the situation room. We begin our coverage tonight with the war in Ukraine amid signs the conflict is entering a long bloody new phase

CNN is on the ground in northern Ukraine. We're also tracking developments out of the

Pentagon and in Finland where NATO membership could soon become a reality.

First, let's go to see it as Nick Payton Walsh. He's in the pivotal northern city of

Harkiv where Russia's pullback from the region is revealing new atrocities, Nick.

Chard, chued, andauled, Northern Harkiv's scars seem infinite.

Putin's troops breathing artillery fire down the neck of this city of a million for two months. But even still, it's

a shock to see just how close the Russians got on the other side of this road.

We are told this is from demining, a controlled blast,

yet here everything is fluid.

Ukraine stopped Russia's advance here on the first day of the war,

...