There are a large number of emergency service vehicles reported in Epping tonight.
People across social media are hearing a number of sirens and seeing a huge amount of blue flashing lights.
Social media reports suggest nearly 15 vehicles have been seen zooming the streets of Epping.
Essex fire confirmed that three teenagers were trapped in a disused building in Bower Hill.
We will bring you live updates on this situation throughout the evening in our live blog below.
For updates on where you live there’s also InYourArea.co.uk, a service that is customised to provide information and new from near you, both from us and from other sources.
In Your Area also has an app that you can sign up for.