Traffic diverted and businesses evacuated after building collapse in Sydney's inner west

Businesses have been evacuated in Sydney's inner west after a part of a building collapsed.

The outer part of a building next to a construction site collapsed in Five Dock.

Ten people have been evacuated.

Great North Rd is closed in both directions, with motorists told to use Lyons Rd.

There are no reports of people trapped or injured.

Emergency crews are at the scene.