Despair that they can not enter Kiev, Russian soldiers have expressed in the surrounding cities.

On Saturday, bodies of dead civilians were found dumped on the streets of the Ukrainian city of Bucha, three days after the Russian army withdrew from a month-long offensive in the area, 30 kilometers northwest of Kiev.

Published photos and videos have shown dozens of bodies of civilians killed, some of them with their hands tied behind their backs.

These images have shocked the world and added to calls for new sanctions against Russia and for the perpetrators to be prosecuted.

Residents of Bucha, on the outskirts of Kiev, told Radio Free Europe that they had managed to survive the "systematic" killing of the city's population, which until recently had been occupied by Russian troops.

Some locals said what they saw after leaving their homes as Ukrainian troops entered the city was "terrible" as the bodies of dozens of civilians who had been killed were lying in the streets.

One person said a Russian sniper had deliberately killed several people in the area, including a family member.

"A sniper started firing in the area on March 5," he said.

"When we left the house that day before curfew, my son-in-law was killed by a sniper.

"After that, everything started, they started shooting at people outside," said this resident.

Another Buca resident said he saw Russian soldiers killing three civilians and added that soldiers shot them for no reason.

"After shooting one, they threw a grenade at his body.

"Later, we buried his remains… it was horrible," said the man, adding that his brother had also been killed while he was on his way to a shelter on March 5.

"There was a system," he said.

"They were killing people systematically.

I have personally heard a sniper boast that he had killed two people he had seen through a window of an apartment… There was no need, there was no military justification to kill… it was simply to torture civilians.

In another neighborhood, residents were tortured.

"They were found with their hands tied behind their backs and shot in the back of the head."

These crimes are being compared to those seen in Kosovo in 1998 and 1999.

According to the Humanitarian Law Center, this crime is easier to document than what happened in Kosovo.

Bekim Blakaj

"It is easier because investigations are carried out immediately after the crimes.

It is much easier to put the evidence, whether material or forensic, while for cases in Kosovo this process has been much more complicated ", declared Blakaj for RTV Dukagjini.

According to Blakaj, the International Criminal Court can start investigations immediately.

"There have been mass killings of civilians in a place called Bucha, apparently by Russian forces.

"This is very similar to the mass killings that took place throughout Kosovo during the war," Blakaj

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