A Navalny spokesperson said the assailant smashed a window of Leonid Volkov's car, sprayed tear gas into his eyes and started hitting him with a hammer in Lithuania's capital.

The NATO and EU member borders Belarus, the Russian territory of Kaliningrad and Ukraine — plus a strip of land connecting it to Lithuania. It is an unstable and volatile mix of frontiers.

Ukrainian President Volodymyr Zelenskyy left the NATO summit satisfied with offers of long-term security aid from the United States and other G-7 countries, according to President Biden.

A roundup of key developments and the latest in-depth coverage of Russia's invasion of Ukraine.

The resolution, which passed unanimously, comes a day after Lithuania's foreign minister publicly urged a regime change in Russia.

Thousands of migrants are camped along the border of Belarus and Poland, trapped between the countries. EU officials accuse Belarus of luring them across the border.

The exiled leader of Belarus' pro-democracy movement says that renewed protests and diplomatic pressure will lead to a peaceful political transition and new, free and fair elections.