Your claim was, and I quote, "Hamas released a video in which it is very clear that Russian soldiers are fighting with them and speaking Russian."
Your "evidence"
https://twitter.com/NatalkaKyiv/status/1712526999674085588
The text from that tweet ("X?") is, "‘Cover! Cover!’ spoken in Russian could be clearly heard in a video published by Hamas.
The footage is of Hamas taking control of the Erez checkpoint on the border between Israel and the Gaza Strip.
This could be proof that Wagner instructors were involved in training Hamas and may have directly participated in the attacks."
So there are NO Russians in the video. There are NO Russians speaking Russians. There is the claim that the word spoken is Russian (could be, could be a word that they use in their local dialect that sounds Russian). Even if it IS Russian, it in no way "very clear that Russia are fighting with them and speaking Russian." It doesn't even prove that Russia was involved in training them.
People around the world use English military terms all the time without having anything to do with the US military. If a Drug Cartel from Mexico storming a building where their enemies are located yelled, "Cover. Cover" to each other, it would be ridiculous to assume that the US military was fighting with them.
Your claim is equally ridiculous.