Russia-Ukraine war: List of key events, day 821

As the war enters its 821st day, these are the main developments.

Here is the situation on Sunday, May 26, 2024:

Lithuania holds presidential elections on Sunday, with incumbent Gitanas Nauseda anticipated to win after a campaign dominated by security concerns in the post-Soviet state. The Baltic nation of 2.8 million people has been a staunch ally of Ukraine since Russia’s 2022 invasion. Like other countries in the region, the NATO and EU member worries it could be Moscow’s next target.

Ukraine’s Zelenskyy is set to travel to Portugal on Tuesday, after his planned visit to Spain, according to news reports, as Kyiv seeks to reinforce support from Europe amid a more aggressive military push by Russia.