Breitbart News’s newsroom head on Tuesday criticized Milo Yiannopoulos, an alt-right leader and Breitbart editor, after video surfaced of Yiannopoulos justifying sex between adult men and teenage boys.

Alex Marlow, Breitbart’s editor-in-chief, said on Breitbart’s Sirius XM radio network that Yiannopoulos’s comments were “not defensible.”

Marlow did not reveal any further steps Breitbart plans to take with Yiannopoulos, saying his future will be decided sometime Tuesday.

Yiannopoulos’s invitation to speak at the conservative conference CPAC was rescinded Monday after the revelations of his comments, and Simon & Schuster cancelled his book deal.

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"Due to the revelation of an offensive video in the past 24 hours condoning pedophilia, the American Conservative Union has decided to rescind the invitation of Milo Yiannopoulos to speak at the Conservative Political Action Conference," wrote Matt Schlapp, head of the American Conservative Union.

"We realize that Mr. Yiannopoulos has responded on Facebook, but it is insufficient. It is up to him to answer the tough questions and we urge him to immediately further address these disturbing comments.

Yiannopoulos has announced he will hold a press conference on Tuesday afternoon to further address the controversy and discuss his future.

The Hill has reached out to Breitbart News for comment.