US President Donald Trump downplayed a growing scandal Tuesday after a journalist was accidentally added to a group chat about air strikes on Yemen, denying any classified information was shared and defending a top aide over the breach.
Trump said he would "look into" the use of the Signal app as he put on a united front at a meeting with US National Security Advisor Mike Waltz, who inadvertently included The Atlantic magazine's Jeffrey Goldberg in the conversation of top national security officials.
