At the scene, they found a man suffering serious gunshot wounds and took him to hospital.
The search continues for his attacker and no arrests have been made.
A spokesperson for the police said: “You may have noticed an increased police presence in and around the Peel Road area of Skelmersdale yesterday evening and this morning. We want to let you know why.
“We were called at around 7.35pm yesterday evening ( Thursday, February 8 ) to reports of a firearms discharge on Peel Road, Skelmersdale.
“Emergency services attended the scene with one man having suffered serious gunshot wounds. He was taken to hospital.
“No arrests have been made at this time.
“At this moment, we would ask that you avoid the area, and we will bring you an update when we are able to.
“We have increased patrols in the area, and anyone with information can contact us on 101 quoting log 1089 of February 8. In an emergency, call 999.”