Iran holds a dayslong funeral for Supreme Leader Ayatollah Ali Khamenei, amid mourning crowds and heightened tensions with the U.S.

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…