Afghanistan, June 27 -- Iran's Islamic Revolutionary Guard Corps said its naval forces had carried out attacks on U.S. military positions in the region, describing the operation as a response to what it called American "aggression" and violations of previous understandings.

In a statement released on Friday, the Guards said the operation was conducted by the IRGC Navy but provided no details on the location, scale of the attack or any casualties. The claim could not be independently verified, and U.S. officials had not immediately commented on the statement.

The announcement came as U.S. Vice President JD Vance urged Tehran to resolve any disagreements over the implementation of recent understandings through diplomacy rather than military...