London Bridge appears to have been closed down by the Police authorities, and the international media is reporting some shots have been fired.
According to the BBC site, a group of persons were inv0lved in a fight on the bridge. Police then arrived at the scene, and some shots were fired.
The Police reported that a man has been detained, and some persons have sustained injuries.
The international media are reporting it appears that the whole thing started when a group of persons attacked a man.