The A1 northbound is currently partially closed at the Oaktree Junction north of Haddington due to a road traffic incident.
Police Scotland have confirmed that they were called to attend a van on fire near the junction at 1240 today.
The Scottish Fire and Rescue Service were also in attendance to extinguish the vehicle.
Traffic is being diverted at Oaktree and one lane has reopened to let traffic through, but lengthy delays are expected.
Twitter users have also reported that there is heavier traffic flow on the A199 between Gladsmuir and Haddington .
Drivers are advised to approach with caution and allow for longer than normal journey times.
We'll bring you more on this as we get it.
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