Emergency services have dashed to London Bridge after an incident, with "numerous resources" deployed to the scene.
A London Ambulance Service spokesperson said: "We were called at 3.48pm today (16 March) to reports of an incident at London Bridge, EC4. We sent a number of resources to the scene including an ambulance crew, an incident response officer and members of our Hazardous Area Response Team to the scene. We are still on scene alongside colleagues from City of London Police."
A City of London Police spokeswoman told Express.co.uk: "The incident is over.
"The walkway was closed for a short period of time and has now reopened."