Detectives are investigating a serious assault that took place on Sunday February 10th in Skelmersdale.
Paramedics and police were called shortly after 7am to a report of an incident at an address on Helmsdale.
Emergency services attended and a 20-year-old man was found suffering from multiple stab injuries.
He was treated at the scene by paramedics and has been taken to hospital where he remains in a serious condition.
A 19-year-old man from Skelmersdale has been arrested on suspicion of attempted murder and is currently in police custody.
Detective Inspector Warren Atkinson said, “A young man has suffered serious injuries and our thoughts are with him at this time.
“A comprehensive investigation involving detectives, crime scene investigators, local and neighbourhood police teams is now underway.
“I understand that incidents of this nature are concerning but I would like to reassure the public that we believe this was an isolated attack and we are not looking for anybody else in connection with our investigation at this stage.”
Anyone with information should call police on 101 quoting log number 381 of 10 February.