Motorists were asked to avoid the Portaferry Road after a serious two vehicle collision.
The incident happened earlier this afternoon and police created diversions at Finlay's Road and Cunningburn Road.
They added: "There are no further details at this stage."
However a spokesman for the Northern Ireland Ambulance Service said they attended a serious crash between a motorcycle and a bus on the Portaferry Road after receiving a 999 call at 2.45pm.
The spokesman said they despatched a Rapid Response Paramedic, an A&E crew and an ambulance officer to the scene.
The charity Air Ambulance was also tasked to the incident by NIAS.
No-one has been taken to hospital from the scene.
This is the second serious accident on the Portaferry Road this weekend.