Update: Elon Musk said in a tweet today that the American Enterprise Institute meeting was not secretive and that he was not there to talk about Trump.

According to a report from the Huffington Post, Google co-founder Larry Page was among a handful of tech CEOs and Republican establishment members who recently met at the American Enterprise Institute’s World Forum to discuss how to best stop Donald Trump.

According to the report, the meeting took place off the coast of Georgia at a private island resort and included View, Larry Page, Sean Parker, and Elon Musk. Other establishment attendees included Mitch McConnell, Karl Rove, House Speaker Paul Ryan, Tom Cotton, Cory Gardner, Tim Scott, Rob Portman, and Ben Sasse.

The event was closed to the press, so exact details aren’t entirely clear, but the report says that the “main topic” was stopping Donald Trump from getting the Republican nomination. How Trump even ended up as the front-runner was also a topic of discussion, the report claims.

Karl Rove gave a presentation at the event during which he discussed the weaknesses of Trump, the primary of which, he claimed, is that voters “have a very hard time envisioning him as presidential.”

While Trump was the center point of the event, Apple’s battle with the FBI over encryption was also brought up. The report says that Republican senator Tom Cotton from Arkansas shared words with Tim Cook over Apple’s refusal to cooperate with a court order asking it to unlock the iPhone used by one of the San Bernardino gunmen. Cotton was reportedly “pretty harsh on Cook,” so much so that everyone else was left feeling rather uncomfortable by the hostility. Google was among a handful of tech companies to file briefs in support of Apple.