Silent is such a strong, inaccurate word.

"Russia began an all-out invasion of Ukraine on 24 February 2022, carrying out extensive military operations marked by war crimes and other violations of international humanitarian law."

From

https://www.amnesty.org/en/location/europe-and-central-asia/ukraine/

Also

https://www.amnesty.ie/ukraine-russia-attack-kyiv/

And

https://www.amnesty.org/en/latest/news/2022/03/latest-news-on-russias-war-on-ukraine/

And more if you care to look.