This was posted just before midnight US time.

Evgeny Prigozhin from the headquarters of the Southern Military District of the Russian Armed Forces in Rostov-on-Don announced the control of the headquarters building by Russian volunteers from the Wagner Group, as well as taking control of the airfield in order to prevent the take-off of combat aircraft, but this does not interfere with logistics and sanitary boards

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⚡️Prigozhin said he would not lay down his arms and would not obey the demand of Putin, the FSB or anyone else. Now this is a rebellion without any if and but.