The source of the explosion was allegedly caused by "confiscated high explosive material" near the port in Beirut. According to CNN, Lebanon's Prime Minister Hassan Diab said that 2,750 metric tons of ammonium nitrate, a type of agricultural fertilizer, had been stored for six years without proper safety measures, "endangering the safety of citizens."
The explosion has killed at least 100 people and injured around 4,000.
YouTuber Sikaheimo edited 15 different footage of the explosion and synced it to make this supercut:
And here's a video of the damage left in the aftermath of the explosion:
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