A bottle containing accelerant was thrown through a synagogue window in North London on April 19, causing smoke damage but no injuries — the third attack on a Jewish site in one week. This escalation has prompted counterterrorism investigations and statements from UK leaders, with a group linked to Iran claiming responsibility for multiple incidents in the pattern. The Community Security Trust reports this reflects a broader spike in antisemitic incidents across the UK, though the specific claim about Iran-linked group responsibility for 'many' attacks is cited from an intelligence monitoring group rather than independently confirmed for each incident.