A crash between a lorry and a car in Brimsdown has blocked a road both ways.
Two ambulances and a paramedic in a car were called just after 12.35pm to the crash at Mollison Avenue at the junction with Bilton Way.
The paramedics remain on standby at the scene.
Information about casualties is yet to be released by the London Ambulance Service.
Traffic is building northbound to Lea Valley Road while the scene is cleared.
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