Firefighters have scaled a 135 ladder to reach the roof of clothing store ‘Next’, where the bird is currently located.
The RSPCA summoned the assistance of fire crews earlier this afternoon.
Upper St James’ Street is currently closed from its junction with South Street. Motorists can divert via Orchard Street.
A cordon is in place around the scene.
UPDATE – The bird has been rescued by firefighters and is now in the care of the RSPCA.
Upper St James’ Street has re-opened to traffic and pedestrians.