The trial of a group of people accused of rioting after the re-election in June of Mahmoud Ahmadinejad as Iran’s president began on Saturday.
Iranian police used tear gas to disperse tens of thousands of supporters of defeated presidential candidate Mir Hossein Mousavi on Friday.
Iran’s Supreme Leader Ayatollah Ali Khamenei warned Western countries on Monday against interfering in Iranian affairs.
A newspaper editor seen as close to Iran’s top authority said on Saturday defeated candidate Mir Hossein Mousavi had committed ”terrible crimes”.
Jailed members of the former Iranian reformist government are believed to have been tortured in an attempt to force them into TV "confessions".
Iran’s top legislative body said on Friday it had found no major violations in the June 12 presidential elections.
President Mahmoud Ahmadinejad accused Barack Obama on Thursday of behaving like his predecessor towards Iran.
A security crackdown appears to have quelled street rallies against Iran’s disputed poll, but the leadership faced a new challenge on Wednesday.
At least 457 people were arrested in violent clashes in Tehran, state radio said on Monday, in which 10 people were also killed.
Mir Hossein Mousavi said the Islamic Republic must be purged of what he called lies and dishonesty, sending out a challenge to conservative rulers.
An Iranian group that had planned to organise a rally on Saturday backed down after authorities warned of consequences if they went ahead.
President Barack Obama toughened his rhetoric on Friday in support of Iranian demonstrators protesting a disputed presidential election.
Defeated Iran presidential candidate Mir Hossein Mousavi urged supporters to stage peaceful protests to mourn those killed after disputed elections.
Iran’s electoral watchdog said on Tuesday it is ready to recount the presidential ballots if it finds irregularities in the vote count.
Defeated Iran presidential candidate Mir Hossein Mousavi has appeared in public for the first time since an election that has divided the nation.
Iran’s supreme leader has told the top election supervisory body to examine defeated presidential candidate Mir Hossein Mousavi’s complaints.