Tonight, three days after the start of an armed rebellion, this is criminal activity, which

is aimed at weakening the country.

Putin promises justice, but is the rebellion actually over?

They must have signaled that they're not lying down their forces, and so I think Putin

is afraid of them.

Tonight, how tenuous is Vladimir Putin's hold on power?

What does Russian-infighting mean for Ukraine's counteroffensive, and what did the U.S. and Western

allies know in advance?

We gave Putin no excuse to blame this on the West, but to blame this on NATO.

Good evening from Kiev, Ukraine.

I'm Ali Velshian.

I'm here because something unprecedented unfolded over the weekend.

Never in 23 years under Putin's Russia has this happened.

Thousands of armed soldiers mercenary started taking up arms against their own country.

This was a scene inside Russia today, explosions in cities, and a private army marching through

the streets, vowing to take the fight all the way to the capital.

Those rebel forces previously allied with Putin on the Russian military, even leading many

of the battles in Ukraine, but then that partnership suddenly violently ended.

What exactly they were marching for remains unclear.

The mercenaries, part of the Wagner group, were organized at the behest of this man, Yevgeny

Pregozhin.

Now you may remember his name from a different story a few years ago, when Pregozhin was

...