Five people were arrested at an address in Bromborough after a man was assaulted on Thursday 9 November.
At around 8.30am, police received a report that a man had been assaulted inside a house near Acre Lane and Ashfield Road in Bromborough.
Officers found a man outside the address who was taken to hospital with slash wounds and bruising to his back, hands, arms, head, and face.
Three women aged 24, 35 and 49, a 17-year-old girl and a 61-year-old man from Wirral were arrested on suspicion of assault.
They have since been bailed with conditions.
An investigation is ongoing in the area.
If you have any information on this incident, please contact @MerPolCC, quoting reference 23001115650. Alternatively, call Crimestoppers anonymously on 0800 555 111 or via their online form at: crimestoppers-uk.org