Two people were given oxygen at the scene following a two-car crash.
Emergency crews were called to the southbound carriageway of the Knowsley Expressway at about 7.30am on Thursday (January 15).
A man from one of the cars and a woman from the other car were both given oxygen by firefighters at the scene.
They were treated by paramedics but both declined hospital treatment.
Firefighters from Whiston and Huyton remained at the scene of the incident for about an hour.