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In brief

  • Lula da Silva and Flávio Bolsonaro meet in the runoff after the 4 October first round, which Flávio Bolsonaro won with 47.03% against 45.15% for Lula da Silva.

  • Meta blocked the campaign from paying to promote its Instagram posts for about 24 hours on 9 and 10 October, and the campaign estimates around 1.3 million people did not see the ads.

  • On Thursday, 22 October, Bernie Sanders and congressmembers including Delia Ramírez wrote to Mark Zuckerberg about interference concerns in the Brazilian election.

  • The avatar posing as a 22-year-old Flávio Bolsonaro supporter was AI-generated, while the latest Quaest poll gives Lula da Silva 44% of female voters against 37% for Bolsonaro.

Brasília
Brasília
Brasília, São Paulo · Brazil
How it came to this
  1. 9 OctMeta blocks paid promotion of the campaign's Instagram posts for about 24 hours, through 10 October
  2. 22 OctSanders and Democratic lawmakers write to Mark Zuckerberg
  3. 25 OctRunoff vote

A tight race before Sunday

Brazil's presidential runoff between Lula da Silva and Flávio Bolsonaro takes place on Sunday, 25 October, three weeks after the first round of 4 October. Flávio Bolsonaro finished first in that round with 47.03% of the vote, ahead of Lula da Silva on 45.15%. Surveys cited by the sources describe a technical tie between the two candidates. Expresso reports that several right-wing figures are declaring their vote for Lula da Silva while still criticising his government, and that the outcome may hinge on silent voters. The wider election calendar also includes Israel's vote on 27 October, the US midterms on 3 November and Spain's vote on 29 November.

First-round vote share, 4 October 2026%
Flávio Bolsonaro47.03%
Lula da Silva45.15%
Flávio Bolsonaro
47.03 %
Lula da Silva
45.15 %

Data from the article text

Meta and the campaign's ad account

Lula da Silva's campaign says Meta disabled its advertising account on 23 September, 11 days before the first round, citing only a vague claim that "some activities" broke platform rules. The account was later restored. Between 9 and 10 October, Meta also blocked the campaign from paying to promote posts on its Instagram account for about 24 hours. Citing a campaign estimate, the sources say around 1.3 million people did not see those ads. Folha de São Paulo reported internal Meta communications suggesting the company knew of the restrictions, and that staff were aware of algorithmic recommendations promoting Flávio Bolsonaro's profile and a WhatsApp channel linked to his campaign, a practice Brazil's Superior Electoral Court (TSE) prohibits. Meta has admitted "recurring failures", according to Diário de Notícias, while the Workers' Party has denounced an alleged Meta bias in Flávio Bolsonaro's favour to the electoral justice system.

Democrats write to Zuckerberg

On Thursday, 22 October, Bernie Sanders and several Democratic members of Congress, including Delia Ramírez, Pramila Jayapal, Rashida Tlaib and Jesús G. "Chuy" García, sent a letter to Meta chief executive Mark Zuckerberg asking for explanations about the platform's interference in the Brazilian election. The lawmakers argue the problem is not limited to Brazil, pointing to the suspension of the No Kings account in mid-October. They wrote in the final stretch before the US midterm elections, which fall on 3 November. The letter was published one week before that vote, while the Brazilian runoff is set for 25 October.

A fabricated female supporter

La Razón reports that "Julia Cortez", a blonde woman presented as a 22-year-old supporter of Flávio Bolsonaro, does not exist and is an AI-generated avatar. The influencer Guga Figueiredo exposed the account, whose videos had circulated widely in the final weeks of the campaign. According to the outlet, the avatar was designed to simulate female support for the candidate, since the latest Quaest poll gives Lula da Silva 44% of women's backing against 37% for Bolsonaro. It was also meant to attract young voters and to send followers to a paid pornographic account on Telegram. Meta suspended the avatar's Instagram account after the deception came to light, but its videos keep circulating. No link to Flávio Bolsonaro's campaign has been established, and who was behind the avatar has not been confirmed.

Support among female voters, latest Quaest poll%
Lula da Silva44%
Flávio Bolsonaro37%
Lula da Silva
44 %
Flávio Bolsonaro
37 %

Data from the article text

The digital war in the final stretch

Diário de Notícias describes a campaign fought mostly on social media, where the left sought to narrow an online advantage the right had built. Lula da Silva's campaign shifted toward short videos and direct language, and the candidate promised at a rally:

“I am going to become the selfie king.”

Lula da Silva, brazilian presidential candidate seeking re-election in the 25 October runoff

André Janones, a pro-Lula deputy, created the Army of Lula group on WhatsApp, and Nikolas Ferreira, a Bolsonaro-aligned deputy, answered with a group called Flávio's Troop. Flávio Bolsonaro also gained the backing of most right-wing parties that had previously stayed neutral, as well as some leading candidates defeated on 4 October. In a debate, Lula da Silva said he was willing to lift his and his family's bank secrecy and challenged the senator to do the same. The runoff takes place on Sunday, 25 October.

Next in today’s edition

Photo: The White House, Public domain (Wikimedia Commons, cropped)Trump says Musk restored Starshield service in UkraineThe Wall Street Journal reported that Donald Trump phoned Elon Musk on 21 October and asked him to lift limits on Starshield, the military Starlink network.Safety · 3 h ago
Today’s Brief · 5 min to listenRussia strikes Kyiv before accepting new Ukraine talksLive · 5 storiesNorth Korea border deployment warning

Sources and context

  • Jornal Expresso9 h agoOnly the fear of Flávio gives encouragement to LulaSó o medo de Flávio dá alento a Lula · original in Portuguese
  • Jornal Expresso10 h ago35 days to look at the world35 dias para olhar o mundo · original in Portuguese
  • eldiario.es10 h agoBernie Sanders and Democratic congressmembers ask for explanations by letter to Zuckerberg for Meta's interference in the Brazilian electionsBernie Sanders y congresistas demócratas piden explicaciones por carta a Zuckerberg por las injerencias de Meta en las elecciones brasileñas · original in Spanish
  • PÚBLICO14 h agoLula and Bolsonaro face off on social media amid controversial court decisionsLula e Bolsonaro defrontam-se nas redes sociais perante decisões controversas da justiça · original in Portuguese
Lula da Silva
Brazilian presidential candidate seeking re-election in the 25 October runoff
Flávio Bolsonaro
Senator and Brazilian presidential candidate in the 25 October runoff
Mark Zuckerberg
Meta CEO who received a letter from Democratic lawmakers
Bernie Sanders
US senator from Vermont who led the letter to Meta's CEO
André Janones
Pro-Lula deputy who created the Army of Lula group on WhatsApp
Nikolas Ferreira
Bolsonaro-aligned deputy who responded with the Flávio's Troop group

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Published today at 08:18.

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Text generated by AI from the reports of the publishers listed and checked automatically, with no human editor. How Pollar is made

In this text

  1. 1A tight race before SundayA tight race before Sunday
  2. 2Meta and the campaign's ad accountMeta and the campaign's ad account
  3. 3Democrats write to ZuckerbergDemocrats write to Zuckerberg
  4. 4A fabricated female supporterA fabricated female supporter
  5. 5The digital war in the final stretchThe digital war in the final stretch

Based on reports by

Jornal Expresso, eldiario.es, PÚBLICO, Diário de Notícias, La Razón

List of sources

Elections · Brasília and São Paulo

Brazil runoff on 25 October: Meta ad controversies and fake AI influencer fuel Lula-Flávio Bolsonaro fight

Brazil's presidential runoff on Sunday, 25 October, is being fought largely online, where Meta's handling of campaign ads and an AI-generated female supporter have drawn complaints from both camps.

Ask about this text

AI text based on reports by Jornal Expresso, eldiario.es, PÚBLICO and other publishers. Published today at 08:18.

Ask your own question
When did Meta block the Lula campaign from promoting Instagram posts?
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How it is made