Dozens of police officers are in Canary Wharf, London, as an incident unfolds in the business centre.
Images showed officers swarming the streets, with a significant police presence reported in the area.
Live updates from the scene
A live blog has been launched to provide the latest information on the ongoing police presence at Canary Wharf. The blog will bring updates as the situation develops.
Further updates are expected to follow as more details emerge about the incident.
