Joe Biden and Vladimir Putin's talks on Saturday were followed on Sunday by talks between Ukrainian President Volodymyr Zelenskyj and European Council President Charles Michel, and Biden and Zelenskyj have also spoken.
At the same time, contradictory information comes from many different sources in Ukraine, Russia, the United States and other countries about the situation in the Ukraine crisis.
- It is already a kind of war that is going on, at the level of oral propaganda.
The situation is so serious that it looks really bad, says SVT's correspondent Bert Sundström, who landed in Kiev on Sunday afternoon.
- People here are worried and prepared that it may end in a war.
But they also say that they are prepared to defend their country.
There is no panic on the streets, it is calm and tidy but everyone knows that it is now danger and travel, he says.
Hear Bert Sundström from Kiev in the clip above