Detectives launched a murder investigation last night (Friday 26 August), after a man was stabbed at an address in the Burnsall Croft, Armley area of Leeds.
Police were initially called at 8.11pm, where a 42 year old man had been attacked.
He was taken to Leeds General Infirmary but later died of his injuries.
Three men aged 40, 43 and 45 years have been arrested on suspicion of murder and are currently in custody.
Enquires are continuing by the Homicide and Major Enquiry Team and anyone with any information is asked to contact them on 01924 334739 or 0845 60 60 606.