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Arrests after protest letter
Mehdi Mahmoudian, an Iranian screenwriter and human-rights activist, was arrested in Tehran.
“Oscar‑nominated Iranian screenwriter Mehdi Mahmoudian has been arrested after signing an open letter condemning the Iranian government’s “mass and systematic killing of citizens.””
He had signed a public letter accusing Supreme Leader Ayatollah Ali Khamenei and the regime of a 'mass and systematic' or 'large-scale and systematic' killing of protesters.
Multiple outlets report Mahmoudian was detained on Saturday alongside at least two other signatories, named variously as Vida Rabbani and Abdullah Momeni.
Iranian authorities have not disclosed any formal charges.
News organisations cite reporting from BBC Persian, Neon, and the Human Rights Activists News Agency.
They note the signatories included artists such as Jafar Panahi and Mohammad Rasoulof.
Film, Awards and Arrest
Mahmoudian is best known internationally as a co-writer of Jafar Panahi's film It Was Just an Accident, a thriller that premiered at Cannes, won the Palme d'Or, and later received Academy Award nominations for Best Original Screenplay and Best International Feature.
Reports emphasize that the film was shot covertly in Iran and that the arrest occurred weeks before the Oscars, with outlets noting the timing as the awards approached.

Some pieces highlight the film's submission route—FilmoGaz notes it was submitted by France—while others concentrate on its festival awards and Oscar nominations.
Panahi on Mahmoudian's Arrest
Jafar Panahi, the internationally known director who worked with Mahmoudian and who also signed the open letter, has publicly condemned the arrest and praised Mahmoudian's character.
“Panahi, who said Mahmoudian helped refine the film’s dialogue and praised his calm, moral support for fellow inmates during nine years in prison, called him a 'rare moral presence.'”
Panahi is quoted across outlets calling Mahmoudian a "rare moral presence" or a "vital moral witness."
Several pieces recall how Mahmoudian helped refine the film's dialogue and supported fellow inmates during imprisonment.
Reports also note Panahi's own history of arrests, sentences and restrictions, which contextualizes his reaction and the risks faced by artists engaging in dissent.
Iran detention and casualties
Reports uniformly note that Iranian authorities have not publicly detailed charges against Mahmoudian or the other detained signatories.
Coverage diverges on casualty and repression figures cited to justify the letter: Iranian officials have acknowledged just over 3,000 deaths, some outlets cite HRANA or other rights groups with mid-range estimates (for example, FilmoGaz noting 6,713 deaths and 49,500 detentions via HRANA), while other reports reference networks of medical professionals or activist networks that estimate totals far higher, in some accounts exceeding 30,000.

Many outlets stress these figures are difficult to independently verify amid internet restrictions and the opaque reporting environment.
Media coverage of Iran arrests
Context: This text summarizes media and rights-group responses to the arrest of a dissident artist amid a wider crackdown in Iran.
“The film, shot covertly in Iran and inspired by director Jafar Panahi’s last prison term (where he met Mahmoudian), is nominated for best screenplay and best international film at the Oscars in March.”
The arrest has refocused international attention on the dangers faced by dissident artists in Iran and the broader context of a harsh crackdown on protests.

Several outlets frame Mahmoudian’s detention in the run-up to the Academy Awards, stressing the irony of global recognition for a film whose collaborators face repression at home, while rights-focused reports emphasize the letter’s charge that the killings amount to a state crime against humanity.
Across outlets there is consistent emphasis on the absence of official explanations and the reliance on activist and diaspora reporting to document detentions and alleged abuses.