The first video comes to us from Harvard University and shows the black hole and the second is Avery Broderick explaining the image and that video comes to us from “Videos from Space”.
Both are from the press conference earlier today.
The Event Horizon Telescope (EHT) project and the (US) National Science Foundation (NSF) press conference to announce this amazing feat.
The (US) National Science Foundation is providing this feed. If something should go awry, bear with me and I’ll have another source shortly.