Iran is commencing extensive six-day funeral ceremonies for Supreme Leader Ali Khamenei, who was killed on February 28. Authorities anticipate millions attending in Tehran, aiming to project unity against adversaries. The events are closely watched for signs of his son and successor, Mojtaba Khamenei, who has yet to appear publicly. International dignitaries, including Pakistan's PM and Russia's ex-president, are present, while officials vow vengeance against the US and Israel.

Iran is preparing the largest state funeral in its history for former Supreme Leader Ayatollah Ali Khamenei, who was killed in a US-Israeli strike on 28 February.

By Parisa Hafezi and Angus McDowallDUBAI, July 2 - Iran's ruling clerics are preparing days of mass funeral rites for Ayatollah Ali Khamenei as a show of public devotion to the…