Officers are dealing with an incident on the Capital's Princes Street.
A police presence is currently in place near the Mercure hotel, next to Marks and Spencer, where cordon tape is visible around a bus stop.
Officers are also in place near Topshop, on nearby Meuse Lane.
They have been seen wearing gloves.
One eye-witness reported: "Police everywhere and a car is blocking the road across from Waverley Mall."
Officers have been seen taking statements from the public.
Police Scotland has been approached for comment.
More details as they come.