Good evening. I'm John Yang. Jeff Bennett and Omna Nawaz are away. On the news hour tonight,

a shake-up in Ukraine's leadership. The top aid to President Volodymyr Zelensky resigns as a corruption

scandal rattles Kiev. President Trump vows to stop immigration for what he calls third world countries

after the fatal National Guard shooting blocks from the White House.

And on this Black Friday, we offer some tips for holiday shopping in a year when prices are rising,

partly due to tariffs.

We want everybody to just take a breath, and you can do a little bit of research, and you

can look at price tracking apps to see what the historical pricing is. Welcome to the News Hour.

We begin tonight with a political earthquake in Ukraine.

President Volodymer Zelensky's chief of staff, Andre Yermak, the country's second

most powerful person, has been

forced to resign amid a corruption scandal. This comes as Ukraine has enmeshed in negotiations

with the Trump administration on a possible end to Russia's war in Ukraine. Special correspondent

Jack Hewson is in Kiev. Jack, who is this chief of staff? And why is this such a big deal?

Well, John, Andrew Yermak, as you mentioned, was President Zelensky's chief of staff and essentially

the second most powerful man in the country. Zelensky came to power on the back of a landslide

election in 2019. And with that authority, centralized power around the president's office, and

Yermak was a very big part of that.

Officially, Ukraine, is a hybrid premier presidential system, but under Zelensky and Yomak,

is taken on a much more of a top-down executive-dominated shape.

And under wartime powers, which include martial law and the freezing of any presidential

or parliamentary elections, that's centralised even more. As one anti-corruption activist put it to me

...