Following the death of Iran’s Supreme Leader, Ayatollah Ali Khamenei, a red “flag of revenge” was raised over the Jamkaran Mosque, Press TV reports.

“A red flag of revenge was hoisted above the dome of Jamkaran Mosque, signaling retribution for the blood of the leader of the Islamic Revolution,” the Iranian outlet wrote.

Earlier, it was reported that the Supreme Leader of Iran was killed as a result of joint Israeli and U.S. attacks.

Iran has vowed retaliation.