The White House continued to downplay the seriousness of the incident, parsing semantics and attacking the journalist who was inadvertently added to the chat.

James Boasberg, chief judge of the D.C. District Court, will preside over a case about the Trump administration’s use of a Signal group chat to discuss military information.

We unpick excerpts from a group chat by high-ranking US security officials about an air strike on Yemen.

Republican lawmakers are setting their sights on the judiciary following court rulings that have halted Trump’s agenda.