Volodymyr Zelensky

In a post on social media, Zelensky says Trump's son-in-law, Jared Kushner, and special envoy Steve Witkoff were also on the call.

Zelensky says he thanked them for their efforts and that they talked about how to handle sticking points in negotiations.

He says he proposed a series of steps to resolve, quote, complex and sensitive issues, though he does not detail those steps.

Zelensky says Trump endorsed the idea.

The issue of territory remains the most difficult.

The Kremlin wants Ukraine to hand over land in the east that is not occupied by Russia.

Ukraine has refused and is pushing for binding security guarantees so Russia does not invade again.

Joanna Kekises, NPR News, Kyiv.

We didn't lose our country, our independence and freedom.

We have it.

Now we speak in the capital.

Russia is not winning.

This is very important.

And everybody's asking how long we can hold the line and how long we can stay.

Ukraine can fight and we will fight.

Our parliament had an extraordinary meeting.

We provided a martial law in Ukraine and we will fight for our land.

That is our country and we will definitely win.

We have mostly everything, I think everything, in the paper.

But it's not still signed.