Here’s what to know about the reports of another group chat in which the Defense Secretary shared sensitive information.

Republican Congressman Russ Fulcher joined ABC News Live with a reaction to Trump officials coming under fire for using the app Signal to discuss war plans. Democrat wins special state Senate ...

To discuss the Signal chat on military strikes, Amna Nawaz spoke with Republican Rep. Don Bacon of Nebraska. He spent nearly three decades in the U.S. Air Force, retiring as a brigadier general.

While Democrats and others have called for resignations, many GOP members of Congress have offered milder, if any, criticism.

Republican Rep. Mike Turner (Ohio), former ... Trump administration is considering the information leaked in a Signal group chat about plans to attack the Houthi rebels “not a big deal.” ...

What the Atlantic posted is not a good look for our government. But don't hold your breath for any accountability to be handed out by Republicans.

a Mississippi Republican and chairman of the Senate Armed Services Committee, on Thursday requested an expedited inspector general investigation into the leak of a sensitive Signal group chat ...

But even within GOP ranks, many are not buying Trump's ... revealed last week that he had been added to a Signal group chat where top officials debated details of attacks against Houthi rebels ...

Jeffrey Goldberg says that 18 national security and cabinet officials – including Pete Hegseth, JD Vance and Marco Rubio – were added to the ‘Houthi PC small group’ chat ...

Republicans are struggling to defend the Signal group chat set up by Trump administration ... Johnson also said that the Republican-led House Judiciary Committee was looking at alternative ...