Police have named a man who died after he was stabbed at a house in Bradford.
Marek Benak, 23, from the Great Horton area, was found with serious injuries at an address in Great Horton Road after police were called in the early hours Thursday morning.
A 42-year-old man was arrested on suspicion of murder on Friday but was later released without charge.
Senior Investigating Officer, Detective Chief Inspector Mark McManus, said: “Our enquiries are continuing into this incident, and we are again urging for anyone who was in Great Horton Road between 3am and 3.30am on Thursday morning to come forward, as they may have information which could prove vital to our investigation.
“We are also keen to trace a man who was seen leaving the address around that time, walking down Great Horton Road towards Bradford city centre.
“He is described as a white man, possibly of Eastern European origin, with a pale complexion.
“He is believed to be about 6ft tall and was wearing dark clothing with a dark baseball cap and light blue jeans.”