Another angle,
Aftermath on nearby roadway….vehicles thrown over light-poles:
AND HERE IS WHY YOU SHOULD NEVER FILM A MUNITIONS FIRE, and why you should run the heck out of there as fasts you can, to avoid the explosions which will fire. God have mercy on this videographer, who had not that prudence:
https://twitter.com/Doranimated/status/1290690016788840452
Terrorist attack?
It was a government munitions storage for confiscated munitions, according to the Security Chief of Lebanon. It could simply have been massive negligence. But now that the city is destroyed and uninhabitable, invasion from Israel, which was announced a few days ago, as a threat against Hezbollah, is all the more easy.