Part of the center has been detached at all levels, as mentioned. The rest of the bullring, away from the fence, is still open to buyers.
Police and security officers have appeared in the center around and inside the fence, as well as outside an entrance. The nature of the incident is not yet known. We have a reporter and a photographer on stage and we will bring you live updates below. West Midlands police were called in to comment. This is a live blog and we will provide updates as the story unfolds.
