Iran’s security chief Mohsen Rezaei warned the United States against renewed war, saying Iranian forces remained at a high level of readiness. Speaking to Iranian state television, Rezaei also said he had reviewed a letter from U.S. Vice President JD Vance but had not responded. He described Washington’s changed tone as a positive sign, without disclosing the letter’s contents. On Iran’s nuclear doctrine, he said no official change had been decided, although the possibility was being debated if war resumed.