Passengers on London’s Elizabeth line intervene during an incident on a busy service from Forest Gate toward central London on Thursday, according to footage reported by Daily Mail. The video shows an unidentified man slapping another passenger on the carriage. The person being attacked is then supported as other passengers react to the altercation. The reporting states that the intervening passengers press the attacker to apologise after the incident. Details about the circumstances leading up to the slap, the identities of those involved, and whether any police action or formal charges follow are not provided in the available summaries. The incident is presented in the reported accounts primarily through the circulation of passenger-recorded footage from within the train. The reports do not include information on injuries sustained by the person who is slapped or any subsequent outcome beyond the attacker’s alleged apology.