The viral video shows an Iranian attack on the Burj Al Arab building in Dubai during the ongoing Middle East conflict

Original review summary

FACTLY says the video is unrelated to the recent conflict and shows a 2015 fire at the Abdul Naser building in Sharjah, not an Iranian attack on the Burj Al Arab. The review says reverse-image searches and comparison with news visuals tied the video to the Sharjah fire.[S1]