President Donald Trump confirmed that multiple employees within the National Security Council were fired Thursday, adding to National Security Advisor Mike Waltz's recent political woes that have snowballed since Democrats first slammed him over March's Signal chat leak.

A spokesperson for Denver Mayor Mike Johnston admitted this week that the office has been operating an internal group on the encrypted messaging app Signal that was monitoring news stories and had been auto-deleting the group's messages,

Illinois Gov. JB Pritzker asked the Joint Chiefs of Staff for assurances about steps being taken to protect national security after sensitive plans were shared on Signal.

Key oil indicators are signaling looser balances ahead, after OPEC and its allies shocked the market with a dramatic early supply increase just as concerns over global demand become more acute.

Jeffrey Goldberg joins Ashley Parker to discuss breaking the Signal story, the fallout, and more. Don’t miss this subscriber-only event on Thursday, April 3, at 11:30 a.m. ET.

The White House is clapping back against media reports claiming intel officials have been using the end-to-end encrypted messaging app Signal to send classified information.

The team led by U.S. President Donald Trump's national security adviser, Mike Waltz, set up at least 20 group chats on the commercial Signal app to coordinate official work on issues involving China,