We’re seeing reports around difficulties accessing YouTube services within the last hour. We can confirm that this is now fixed and you should be able to access our service without any issues.
Thanks for your reports and do let us know if you’re still facing any problems! — TeamYouTube (@TeamYouTube) May 19, 2021
To clarify, the issue is still ongoing, and we're currently looking into it. We'll follow up once we have an update.— TeamYouTube (@TeamYouTube) May 19, 2021