The claim asserts a direct causal link between regular pro-Palestine marches (specifically those with "globalise the intifada" chants) and an arson attack at a place where Jewish people live. The arson attack itself is real: on June 2, 2026, a man set fire to an empty pram in the communal stairwell of a block of flats on Bridge Lane, Golders Green, NW11, where the majority of residents are Jewish. The fire was quickly extinguished and no injuries were reported (The Standard, Jewish News, The Jewish Chronicle, Times of Israel). However, the causal link to the marches is not supported by available evidence: 1. No arrest or established motive. As of the speech date, no arrests had been made. The Metropolitan Police explicitly stated they were "keeping an open mind as to the man's motive." There is no identified perpetrator, let alone evidence linking them to the marches or their rhetoric. 2. Other attacks have been linked to Iran-sponsored groups, not the marches. Reuters reported in April 2026 that UK police were examining Iran links to a spate of arson attacks on Jewish targets in London. A pro-Iranian group, Harakat Ashab al-Yamin al-Islamiyya, claimed responsibility for several incidents, suggesting state-sponsored terrorism rather than domestic protest marches as an alternative explanation. 3. Expert analysis explicitly rejects the causal link. The Conversation stated: "Evidence on the relationship between protest activity and targeted violence outside of the protest arena is limited... it is often unclear whether protests or marches themselves are the cause." The London Review of Books blog stated: "There is no evidence linking the pro-Palestine marches that have taken place since 7 October to last month's antisemitic violence." A senior rabbi in north London (Herschel Gluck) explicitly rejected any connection between the marches and antisemitic violence. 4. CST data points to the war itself, not the marches, as the primary trigger. The Community Security Trust's 2025 incidents report found that 53% of antisemitic incidents referenced Israel, Gaza, 7 October, or the subsequent war — attributing the surge to the conflict itself, not specifically to marches. The claim uses the strong phrasing "led directly to," which requires evidence that the marches were a specific, proximate cause of this arson. No such evidence exists. The police have not established a motive, the broader pattern of arson attacks appears linked to Iran-sponsored groups per Reuters, and expert analyses and community leaders have explicitly disputed the causal link. The effect is better explained by other factors — potentially Iran-linked terrorism, the broader atmosphere generated by the Gaza war, or online radicalization — none of which directly implicates the marches. Sources: The Standard, "Pram set alight in 'arson attack' at block of flats in Golders Green" (https://www.standard.co.uk/news/london/arson-attack-jewish-families-flat-golders-green-london-b1284692.html); Jewish News, "Empty pram set alight in 'attempted arson attack' in Golders Green" (https://www.jewishnews.co.uk/empty-pram-set-alight-in-attempted-arson-attack-in-golders-green-block-of-flats/); Reuters, "UK police examine Iran links to arson attacks on Jewish targets" (https://www.reuters.com/world/uk/another-attempted-arson-attack-jewish-site-london-charity-says-2026-04-19/); The Conversation, "Why banning pro-Palestine marches is a risky response to antisemitic violence" (https://theconversation.com/why-banning-pro-palestine-marches-is-a-risky-response-to-antisemitic-violence-282168); London Review of Books Blog, "Hate Marches" by Des Freedman (https://www.lrb.co.uk/blog/2026/may/hate-marches); Middle East Eye, "Pro-Palestine coalition condemns Starmer for suggesting ban on marches" (https://www.middleeasteye.net/news/pro-palestine-coalition-condemns-starmer-suggesting-ban-marches); Community Security Trust, "Antisemitic Incidents Report 2025" (https://cst.org.uk/public/data/file/0/2/CST%20Incidents%20Report%202025-EMBARGOED.pdf)