How did Russia destroy 7 Ukrainian MiG-29s in just 24 hours?

A recent update from the frontlines indicates that Ukraine has once more suffered the loss of its fighter jets to Russia. The Russian Ministry of Defense made a startling claim on October 20th, reporting the successful downing of seven Ukrainian MiG-29 Fulcrum aircraft within a single day. This feat came at a time when the Russian military was still reeling from an unexpected ATACMS attack on their airfields, which inflicted damage to their helicopter fleet. But, how did Russia eliminate these 7 MiG-29s in just 24 hours?