Australia said on Wednesday it will add YouTube to sites covered by its world-first ban on social media for teenagers, reversing an earlier decision to exempt the Alphabet-owned video-sharing site and potentially setting up a legal challenge.

STORY: "Importantly, following advice from the eSafety Commissioner, young people under the age of 16 will not be able to have accounts on YouTube.”Australian Prime Minister Anthony Albanese said on Wednesday that the government will include YouTube in its world-first ban on social media for teenagers.

Officials in Australia had previously indicated they would exempt YouTube from the ban, which prohibits people under 16 from having social-media accounts.