This is the Guardian.

Today, how Ukraine pulled off one of its biggest breakthroughs

since the Russian invasion.

Tonight Ukraine is on the offensive and quickly gaining ground.

Reclaiming the largest swath of Russian control territory since April,

when forces push the Russians out of the outskirts of Kiev.

After months of a grinding stalemate in eastern Ukraine,

the news over the weekend surprised even the closest observants,

like the Guardian's defense editor, Danseba.

Your first reaction actually is, is it real?

Can this really be happening?

President Zelensky saying Ukraine has liberated at least 30 settlements

and reclaimed nearly a thousand square miles of land around Harkeep.

So you're studying a lot of icons to try to work out what's going on,

but as it unfolds over the weekend, your reaction is, is this really happening?

Russia's front line quite literally crumbling.

The control of land they fought to capture now gone in Ukraine's lightning advance.

Villages and cities held by the Russians in some cases since the beginning of the war

were one by one falling back into Ukrainian hands.

The residents of Zalitsnitschner seemed quite dazed by what's happened.

What we've seen in the last week is an extraordinary, extraordinary rapid advance

by the Ukrainian forces.

...