Thread by @MetPoliceEvents

In the last couple of moments, protesters have blocked Tower Bridge. Activists are using a van and a caravan to obstruct the road.

Officers were on scene almost immediately. We are working with @CityPolice to get traffic moving again.

Activists are also laying on the junction north of Tower Bridge, this is causing further disruption.

We will provide further updates soon.

Tower Bridge and the junction north of the bridge, including Mansell Street, continue to be blocked by activists.

We'll be warning those protesting that this obstruction of roads is unreasonable and they must disperse. If they do not move, they may be arrested.

@CityPolice

Officers are now engaging with the group and have begun warning those that refuse to move that they may be arrested.

Some activists are using complex lock-ons to frustrate our removal efforts. Specialist removal teams are on site and arrests have been made.

Meanwhile, a group of protesters have moved off and are on Upper Thames Street.

A group of protestors have walked from Upper Thames Street to #Blackfriars Bridge where they have blocked the junction with New Bridge Street.

Officers are on scene and working to clear the road as quickly and safely as possible.

The protest at #Blackfriars Bridge is now clear with the roads reopen. Traffic is flowing in both directions.

UPDATE: #TowerBridge is now reopen and traffic is flowing in both directions.

Specialist Protestor Removal Teams worked as quickly and safely as possible to remove the complex lock-ons used by the protestors.

@CityPolice @TowerBridge