Russia accused of bombing a Ukrainian shelter and kidnapping citizens

Police officers patrol the area which got hit with shelling on March 20, 2022, in Kyiv, Ukraine. Russian forces remain on the outskirts of the Ukrainian capital, but their advance has stalled in recent days, even while Russian strikes - and pieces of intercepted missiles - have hit residential areas in the north of Kyiv. An estimated half of Kyiv's population has fled to other parts of the country, or abroad, since Russia invaded on February 24. (Anastasia Vlasova/Getty Images/TNS)

A woman holds her child as they wait for the next train to Poland at the main station in Lviv, Ukraine, on Saturday, March 19, 2022. More than two million refugees have fled their homes after the Russians invaded. (Wally Skalij/Los Angeles Times/TNS)

Sisters Tamara (L) and Nina (R) leave the building where they used to live together in their flat after the area got hit with shelling on March 20, 2022 in Kyiv, Ukraine. Russian forces remain on the outskirts of the Ukrainian capital, but their advance has stalled in recent days, even while Russian strikes - and pieces of intercepted missiles - have hit residential areas in the north of Kyiv. An estimated half of Kyiv's population has fled to other parts of the country, or abroad, since Russia invaded on February 24. (Anastasia Vlasova/Getty Images/TNS)

The aftermath of a Russian airstrike on a maternity hospital in the Ukrainian city of Mariupol on Wednesday, March 9, 2022. (Cover Images/Zuma Press/TNS)

LVIV, Ukraine — Amid a growing consensus that Russia’s invasion of Ukraine is morphing into a bloody stalemate that could last months, Ukrainian officials on Sunday blamed the Kremlin for a new spate of deadly attacks on civilian targets, including the bombing of an art school where hundreds had taken shelter.