"Elmo's X account was briefly compromised yesterday by an unknown hacker who posted disgusting messages, including antisemitic and racist posts. The account has since been secured," a spokesperson for Sesame Workshop, the nonprofit educational organization behind Sesame Street, said in a statement to ABC News on Monday.

Elmo’s X account was hacked on Sunday, posting offensive and antisemitic messages before Sesame Workshop confirmed the breach and deleted the posts

Hackers broke into the X account of Sesame Street character Elmo and posted antisemitic and racist messages, the makers of the children's TV show said on Monday.