Happening now.

CNN is near the tense front lines in eastern Ukraine right now with just a few hours

to go before Russia's war hits the one-year mark.

Ukrainian forces bracing for the possibility of new Russian strikes tonight.

Also this hour, a top safety official declares,

the Toxic Train wreck in Ohio was 100% preventable as initial findings in the

federal investigation are revealed the Transportation Secretary Pete

Buttigig visiting the scene where frustrated residents are growing more and more concerned

about their health by the day.

And Alex Murdoch takes the stand.

It is murder trial, to disgrace South Carolina lawyer, admitting

under oath to lying and to stealing while denying he killed his wife and son.

Welcome to our viewers here in the United States and around the world.

I'm Wolf Flitzer, you're in the situation room. We begin with a grim milestone for Ukraine and the world for that matter,

a full year since Russia's brutal invasion.

Ukrainians bracing for Vladimir Putin's next moves

as his war enters a second year just hours from now.

CNN teams are on the ground in Ukraine

and in Russia at this very pivotal moment of the

battlefield and for the leaders of both countries. We begin with our senior

international correspondent Sam Kylie who's near the front lines in Eastern Ukraine Sam. So what's happening

on the ground at this very on this very significant night?

...