Thanks for your reports about YouTube, YouTube TV and YouTube Music access issues. We're working on resolving this and will let you know once fixed. We apologize for any inconvenience this may cause and will keep you updated.
I found a way to watch yt while its down All you gotta do is go to yt and copy the link of the vid you wanna watch then come to twitter and post the link and click on it then BOOM you can watch the video.