![Alan - Flood Forecaster @ The Thames Barrier on Twitter: "The first four gates, the falling radials have now closed. Here's Alpha, which as noted by the red triangle over the top, Alan - Flood Forecaster @ The Thames Barrier on Twitter: "The first four gates, the falling radials have now closed. Here's Alpha, which as noted by the red triangle over the top,](https://pbs.twimg.com/media/FCNqK4aXMAMNJ4F.jpg:large)
Alan - Flood Forecaster @ The Thames Barrier on Twitter: "The first four gates, the falling radials have now closed. Here's Alpha, which as noted by the red triangle over the top,
![Thames Barrier CLOSED to stop London flooding as aftermath of Storm Imogen hits capital | UK | News | Express.co.uk Thames Barrier CLOSED to stop London flooding as aftermath of Storm Imogen hits capital | UK | News | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/1/590x/642823_1.jpg)
Thames Barrier CLOSED to stop London flooding as aftermath of Storm Imogen hits capital | UK | News | Express.co.uk
![Thames Barrier flood defences in closed position Docklands London UK aerial view Stock Photo - Alamy Thames Barrier flood defences in closed position Docklands London UK aerial view Stock Photo - Alamy](https://c8.alamy.com/comp/ADKNC0/thames-barrier-flood-defences-in-closed-position-docklands-london-ADKNC0.jpg)