Fox News Digital obtained the notice sent to congressional members Wednesday, which pointed to „an urgent matter with regard to a destabilizing foreign military capability that should be known by all Congressional Policy Makers.“

Turner‘s office did not immediately respond to Fox News Digital‘s request for comment and more information.

White House National Security Advisor Jake Sullivan said Wednesday at the White House press briefing that earlier in the week, he reached out to the Gang of Eight to offer himself for a personal briefing on the matter.