Afghanistan, July 10 -- U.S. President Donald Trump said he has already authorized a predetermined U.S. response if Iran is found responsible for any attempt on his life, warning that such an attack would trigger what he described as a "devastating" and "unprecedented" retaliation.

The New York Post reported on Friday, July 10, that Trump said he had issued standing instructions outlining how the United States should respond if Iran were linked to an assassination attempt against him. He did not disclose the nature of the response or provide details about any directives he said had been approved.

In the interview, Trump said any Iranian involvement in an attack against him would be met with decisive military action. He described the plann...