Interior Minister Mohammed Fahmi told a local TV station that it appeared the blast was caused by the detonation of more than 2,700 tons of ammonium nitrate that had been stored in a warehouse at the dock ever since it was confiscated from a cargo ship in 2014.
https://time.com/5875872/bierut-explosion-lebanon-cause/
They were apparently welding shut the container in which the nitrate was stored, since it was stored since 2014 it had time to partally decopose.
Don't ask me…
There is literally not one reason a more advanced civilisation, capable of intergalactic travel, would have to invade us.
name one?
1) much more of that in asteroids or even stars which we have now the technology to strip mine.
2) That some Sitchny shit right here…
2)