More than 100 people killed in explosions near tomb of Iranian Guards commander Qasem Soleimani

No one claimed responsibility for the blasts. A senior Biden administration official said in Washington that the blasts appeared to represent "a terrorist attack" of the type carried out in the past by Islamic State militants.

Iranian President Ebrahim Raisi condemned the "heinous and inhumane crime", and Iran's top authority Supreme Leader Ayatollah Khamenei vowed revenge for the bloody twin bombings.