Police are appealing for information following a street disturbance in Morecambe in which four men were stabbed.
Officers were called to Queen Street at around 3:20am on Thursday 30 January.
Three of the men are in hospital with serious injuries, with one in a critical condition.
A 36-year-old man from Morecambe has been arrested on suspicion of section 18 assault and is currently in custody.
Two of the men being treated at hospital have also been arrested on suspicion of the same offence. They are aged 32 and 21.
Police have issued an appeal for CCTV or dash cam footage.
Detective Chief Inspector Alisa Wilson said:
Four men have received stab wounds, with three of them suffering serious injuries. We are treating this extremely seriously and are working hard to establish exactly what happened, but need your assistance. “We believe the incident could be linked to a previous altercation at PopWorld shortly before 3am. We need anyone who was in the club and saw or heard anything suspicious to get in touch. "We also know there were a number of other people, both men and women, involved in the disturbance on Queen Street and Back Queen Street who have not yet come forward to police and I urge them to do so. These people have key information vital to the investigation and I need them to make contact. Likewise, if you saw the disturbance itself or have any dash cam or CCTV footage, we would like to hear from you as soon as possible. “Any information, no matter how small, could be useful to our investigation.”