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Fact check: How many attended raise the flag September 13th London

Checked on September 15, 2025

1. Summary of the results

The analyses provided suggest that a significant number of people attended the "Unite the Kingdom" rally in London on September 13th, with estimates ranging from 110,000 to 150,000 people [1] [2] [3] [4] [5] [6] [7]. The event was marked by clashes with police, resulting in 26 police officers being injured and at least 25 people being arrested [3] [1] [4]. The rally featured speeches from far-right figures, including Tommy Robinson, and attendees waved British, Israeli, and US flags, chanting slogans such as "Send them home" and "Stop the boats" [5] [7]. The event was organized by far-right activists and was reportedly against immigration [1] [4].

  • Key points from the analyses include:

Estimated attendance: 110,000 to 150,000 people [1] [2] [3] [4] [5] [6] [7]

Clashes with police: 26 police officers injured, at least 25 people arrested [3] [1] [4]

Far-right figures in attendance: Tommy Robinson, Elon Musk [7]

Purpose of the rally: against immigration [1] [4]

2. Missing context/alternative viewpoints

While the analyses provide a general idea of the event, there is limited information on the counterdemonstration that took place, with only one source mentioning that 5,000 people attended [3]. Additionally, the original statement does not provide any context about the "raise the flag" event, making it difficult to determine if it is related to the "Unite the Kingdom" rally. The sources also do not provide a clear motivation behind the rally, with some sources simply stating that it was against immigration [1] [4]. Furthermore, there is no information on the organizers of the event or their specific goals, which could provide valuable context [1] [4] [7].

  • Missing context includes:

Limited information on the counterdemonstration [3]

Lack of context about the "raise the flag" event

Unclear motivation behind the rally [1] [4]

No information on the organizers of the event [1] [4] [7]

3. Potential misinformation/bias in the original statement

The original statement does not provide any context about the event, making it difficult to verify the claims. The analyses, on the other hand, seem to be from reputable sources, including Al Jazeera, NBC News, and Sky News [1] [3]. However, some sources may have a bias against the far-right movement, which could influence their reporting [1] [4]. Additionally, the sources may not be providing a complete picture of the event, as they focus primarily on the clashes with police and the attendance numbers [3] [1] [4]. The event organizers and attendees may benefit from the attention, as it brings their cause to the forefront of public discussion [7].

  • Potential biases include:

Lack of context in the original statement

Possible bias against the far-right movement in some sources [1] [4]

Incomplete picture of the event [3] [1] [4]

Event organizers and attendees may benefit from the attention [7]

Want to dive deeper?
What was the purpose of the raise the flag event in London on September 13?
Who organized the raise the flag event in London on September 13?
What other events occurred in London on September 13 that may have affected attendance?
How does the attendance at the raise the flag event compare to similar events in London?
Were there any notable speakers or performers at the raise the flag event on September 13?