Iran installs Hassan Rouhani as president
4 August 2013 Last updated at 19:08 BST
Cleric Hassan Rouhani has officially replaced Mahmoud Ahmadinejad as president of Iran.
Mr Rouhani's election was endorsed by Supreme Leader Ayatollah Ali Khamenei at a ceremony in the capital, Tehran, on Saturday.
The ceremony marked the handover of power but his public inauguration took place on Sunday.
James Reynolds reports.