Three vehicles are said to have collided on the north-east’s busiest road.
The crash took place on the A90 Aberdeen to Ellon road outside the Gordon Barracks, in Bridge of Don, at 11.40am.
One motorist described it as a “bad crash”.
It is it not yet known if anyone has been injured.
A police spokeswoman said: “It happened at 11.40am in front of the barracks on Ellon Road.”
More details to follow.