US intelligence says Russia is fabricating evidence of a strike on Ukrainian prisons that killed 53 Ukrainian prisoners of war.

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Russia is trying to fabricate evidence amid an investigation into an attack on a prison in Ukraine last month that left 53 people dead and 75 injured, according to the report.

US intelligence officers The US has determined that Russia is attempting to shift blame for the attack by planting false evidence that Ukrainian forces were responsible for the July 29 attack on Olenyivka Prison, a US official told The Associated Press.

The prison is located in Donetsk, a separatist-controlled and Russian-occupied area. east of Ukraine. Both countries said the other was responsible for the attack.

An unnamed official said the intelligence report on the prison shows Russia intends to plant evidence to suggest Ukraine is responsible, including ammunition for the U.S.-supplied High Mobility Artillery Rocket Systems, or HIMARS, medium-range missile systems.

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Satellite photo of the Olenivka temporary detention center in the eastern Donetsk region, provided by Maxar Technologies, after the attack on the prison reportedly killed Ukrainian soldiers.

Satellite photo of the Olenivka temporary detention center in the eastern Donetsk region, provided by Maxar Technologies, after the attack on the prison reportedly killed Ukrainian soldiers.
(© 2022 Maxar Technologies, via hotspot)

Moscow said that the Ukrainian military used American made missiles to the prison, while Ukraine alleges that Russia used “false flag” tactics to set fire to the prison and then blame them.

Subsequently, the Ukrainian military denied that they launched rocket or artillery attacks on the prison.

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The destroyed barracks of the prison in Olenivka, where dozens of Ukrainian prisoners of war were killed on July 29, 2022 after the fall of the southern port city of Mariupol.

The destroyed barracks of the prison in Olenivka, where dozens of Ukrainian prisoners of war were killed on July 29, 2022 after the fall of the southern port city of Mariupol.
(AP photo)

Ukrainian intelligence officials claimed they had evidence that pro-Kremlin separatists colluded with Federal Security Service of Russia (FSB), the main successor to the KGB, to attack the prison.

Among the prisoners of the Olenevskaya prison were Ukrainian prisoners of war who survived the Russian siege of the Azovstal steel plant in Mariupol. Forced to surrender and captured by Russia, Ukrainian soldiers are often imprisoned in Russian-controlled systems.

A destroyed barracks in a prison in Olenivka, in territory controlled by pro-Russian separatist forces, eastern Ukraine, July 29, 2022.

A destroyed barracks in a prison in Olenivka, in territory controlled by pro-Russian separatist forces, eastern Ukraine, July 29, 2022.
(AP photo)

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The US intelligence report comes after UN Secretary-General António Guterres appointed a fact-finding mission to investigate the prison killings. The request was made after Russia and Ukraine asked the UN to investigate the July 29 attack.

The Associated Press contributed to this report.