London experienced significant traffic disruptions as emergency services established a security perimeter around a central area. Police implemented road closures to manage what has been classified as a major incident, prompting authorities to redirect traffic and advise residents to avoid the cordoned zone. The incident triggered widespread congestion across nearby routes as officials worked to assess the situation and ensure public safety. Updates regarding the nature of the incident and estimated clearance time remain ongoing.

Summary auto-generated by AI from the original publisher's content. Editorial standards.