This is 100% true.
They were showing the World the truth.
Both their Channels blocked,
https://www.youtube.com/channel/UCb5-2OYpYw7NGhjnqJD9aWA
https://www.youtube.com/channel/UC5BD-DoXVheltQX8q3w2D2Q
Helping blackout on Saudi bombing ; @Youtube shut down Yemeni TV Al Masirah channel. pic.twitter.com/mpHtUBRLha— Harry Boone (@towersight) January 23, 2016