The news comes about a month after the editor-in-chief of The Atlantic was mistakenly added to a separate Signal chat with national security leaders.

U.S. Defense Secretary Pete Hegseth shared details of a March attack on Yemen's Iran-aligned Houthis in a message group that included his wife, brother and personal lawyer, a source familiar with the matter told Reuters on Sunday.

Defense Secretary Pete Hegseth shared detailed plans about a military operation against the Houthis in Yemen on a second Signal group chat, this one on his personal phone and including his wife, lawyer and brother,