https://www.siliconvalley.com/2020/08/06/doctored-videos-of-beirut-explosion-already-circulating/

Doctored videos of Tuesday’s devastating explosion in Beirut are already circulating on every major social media platform.

In videos originally shot by both CNN and eyewitnesses in the Lebanese capital, footage of a rising smoke plume at Beirut Port was inverted and made to look like a “negative.” In addition, a missile-like object was superimposed on the video.