NEW: Iran's IRGC says it struck and stopped two oil tankers that ignored its warnings and tried to transit the Strait of Hormuz under U.S. air escort.

INTELLIGENCE SUMMARY

NEW: Iran's IRGC says it struck and stopped two oil tankers that ignored its warnings and tried to transit the Strait of Hormuz under U.S. air escort. It says four other tankers turned back and warns that further U.S. military involvement in the area will be met with a response.