The reported resignation of Yemen’s president, prime minister and cabinet members, and the potential dangers of extremist groups filling any power vacuum, “has to be factored in” any future decisions on whether to transfer Guantanamo detainees there, outgoing Defense Secretary Chuck Hagel said Thursday.

Just hours before Hagel took questions from the press, CNN and other news outlets reported that the Houthi rebels had secured the resignation of Yemen’s top officials.