Two men forced their way into a house armed with a golf club.
Police were called to a disturbance at Arkholme Court, Morecambe at 7.10pm on Monday night.
During the incident one of the men received an injury believed to be caused by a knife.
One of the men, a 28-year-old, sustained stab a wound to his arm and is being treated at the Royal Preston Hospital.
Three men aged 18, 24 and 28 all from Liverpool have been arrested on suspicion of aggravated burglary.
A 46-year-old man and a 17-year-old man from Morecambe have been arrested on suspicion of wounding.
Anybody who witnessed the incident or has any information is urged to call 101.