CALGARY -- Calgary police are investigating another fatal shooting but say it's not known if the death is related to a New Year's Day shooting that left one person dead and six wounded.

Officers responding to a report of gunshots just after 3 a.m. today in the 1400 block of 8th Street N.W. arrived to find a man dead in an alley. The homicide unit has been called in to investigate and police are calling the death "suspicious."

They say they'll hold a media availability later this afternoon to address the latest shooting as well as the multiple shootings at a New Year's house party early Thursday.

An autopsy was to be performed today on a man who died in hospital after being critically wounded in the house party shootings and his identity was to be made public after the autopsy.

The six other people who were wounded suffered injuries ranging from minor to serious and police described them as male and female victims in their early 20s and 30s.

At a news conference Thursday, investigators said they didn't have a motive for the shootings and couldn't they say how many suspects they were seeking, but they continued to appeal for help from any witnesses.

A police spokesman called the shooting a "one-off" and suggested there was no danger to Calgary residents.

More than 50 people were reported to be at the house party and police were questioning about a dozen witnesses who were taken away from the scene on a city transit bus.