Buffalo, NY (WBEN) -- Buffalo Homicide investigators are trying to piece together clues in the city's latest murder.

Police say that the incident occurred at a house party in the 400 block of Tonawanda Street just after 11:00 Saturday night.

20-year-old Roberto Leon was stabbed during an altercation with several males outside the party. He died at the scene and police are trying to find witnesses who were attending the party.

Police ask that anyone with information on this incident to contact the TIPCALL number - 847-2255, or text a tip to 716.847-2255 - or report a tip on the police department's website, www.bpdny.org.