Elton Head Road in St Helens has re-opened following a chemical leak at a nearby warehouse.
The spill was reported at a business premises on Elton Head Road, Lea Green, shortly after 12.20pm on Wednesday.
Officials re-opened the road shortly after 6pm.
Earlier, a cordon was put in place and staff were evacuated from the site.
Residents living in nearby properties were advised to keep windows and doors shut, as a precaution, while three fire crews worked at the scene to contain the leak and make the scene safe.