On Tuesday, the U.S. embassy in Kyiv urged Americans to leave the country immediately, warning of imminent Russian attacks against civilian infrastructure as the invasion approaches the six-month mark.

Destroyed Russian Military Vehicles Displayed In Kyiv Ahead Of Independence Day

Ahead of the independence day of Ukranian, officials warned of possible attacks by Russia.

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In an alert issued Tuesday, the U.S. State Department warned that Russia was planning to increase attacks against civilian infrastructure and government facilities.

The U.S. embassy in Kyiv urged Americans in the country to leave if it's safe to do so because of the volatile situation.

The alert, the embassy's first specific warning in months, comes ahead of Ukraine's Independence Day on Wednesday, which also marks six months since the invasion of Russia.

Ukrainian President Volodymyr Zelensky warned Russia that it could try to do something vicious this week.

In the capital, Kyiv, authorities have stepped up security, banned mass events, and canceled major celebrations, such as the parade down the main street.

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Many Ukrainians are used to the sound of air raid sirens. The officials have urged people to be cautious this week, particularly with the symbolic dates approaching and escalating tensions surrounding the Zaporizhzhia nuclear plant. Zelensky warned Moscow that it might be planning a show trial of captured prisoners of war after it was reported that steel cages were being set up in Mariupol.

The area was once a stronghold of Russian power.

Russia is warned against a despicable show trial of prisoners of war.