“Did the building collapse?”
Sofar, I have only found this LINK for you:
Russian post that was hit is in flames – They seek to get out of the burning post
https://www.youtube.com/watch?v=GCludrHKRuY
OOPS! I just found 3 LINKS more. Hope it clarifies answer to your question:
1- “Up to 400 Russian soldiers killed” in Ukraine missile strike - BBC News
BBC News
Jan 2, 2023
https://www.youtube.com/watch?v=syt9p8Q_MnM
“Officials have said as many as 400 Russian soldiers were killed in a missile strike on a temporary barracks.
Russia has admitted that more than 60 soldiers had died in the Ukrainian attack in Makiivka in the Russian-occupied region of Donetsk in east Ukraine. It said the building was struck by four missiles.”
2- DEVASTATION, ATTACK ON RUSSIAN BASE KILLED HUNDREDS OF RUSSIAN NEWLY MOBILIZED SOLDIERS || 2023
https://www.youtube.com/watch?v=g_p4vH7Veko
3- UKRANIAN MILITARY: 400 RUSSIAN SOLDIERS ARE ELIMINATED IN THE HIMARS STRIKE ON MAKIIVKA || 2023
https://www.youtube.com/watch?v=aB3fRaWWv7o