A suspected UFO sighted over southern Brazil has gone viral on social media, with users debating the object’s origin

Defense Secretary Lloyd Austin announced Friday the revocation of a plea deal previously reached with Khalid Sheikh Mohammad, the alleged mastermind behind the September 11, 2001, terrorist attacks, along with two of his co-conspirators, Walid Muhammad Salih Mubarak Bin Attash and Mustafa Ahmed Adam al Hawsawi.