An impersonator recently used AI to pose as Marco Rubio, the US Secretary of State, to send messages to five senior-level officials. Three of these have been identified as foreign ministers, while the remaining two were US officials,

An unknown person is using AI to impersonate Secretary of State Marco Rubio on Signal and has contacted at least five government officials.They've left voicemails and sent text messages to foreign ministers,

The State Department says it is investigating the incident, in which an "unknown individual" impersonated Rubio through the app Signal.