Huge crowds of mourners streamed into the streets of Tehran to pay their final respects to Ayatollah Akbar Hashemi Rafsanjani.
Supreme Leader of the Islamic Revolution Ayatollah Seyyed Ali Khamenei led mass prayers for the body of Ayatollah Rafsanjani, a former Iranian president and chairman of the Expediency Council, who is viewed as a pillar of the 1979 Islamic Revolution.
The body of the deceased Ayatollah will be buried in the mausoleum of the founder of the Islamic Republic of Iran the Late Imam Khomeini in south of capital, Tehran.
President Hassan Rouhani, Parliament Speaker Ali Larijani and Judiciary Chief Sadeq Amoli Larijani also attended the funeral procession.
Among other participants were government ministers, lawmakers, military top brass, members of the Expediency Council and the Assembly of Experts as well as a number of foreign ambassadors and dignitaries.
Mourners were carrying pictures of the late cleric alongside those of Imam Khomeini, Ayatollah Khamenei and President Rouhani.
Tens of thousands of mourners also gathered at the shrine of Imam Khomeini ahead of the burial ceremony.
Iran is observing three days of national mourning in honor of Ayatollah Rafsanjani.
Ayatollah Rafsanjani died on Sunday at the age of 82 due to a heart attack in a Tehran hospital.
Source: Iranian media