An unknown person sent texts to and left voicemails for at least five government officials, mimicking the Secretary of State's voice and writing style, The Washington Post reports.

The incident, first reported by The Washington Post, has prompted the State Department to alert all diplomatic and consular posts globally. Officials were advised to warn external partners about potential impersonation attempts.

An imposter used an AI-generated voice to mimic Secretary of State Marco Rubio and contacted several foreign and US officials. The cable said at least three foreign ministers, a US governor, and a member of Congress were contacted,