UPDATE: The two men killed in a shooting on Driving Park Avenue have been identified.
35-year-old Jimmie Jones and 23-year-old Sharif Clark, both of Rochester, were killed when someone opened fire at around 2:30 Sunday morning.
A man in his 30s is still critical, while a woman in her 20s has been released from the hospital.
There are no arrests in Rochester's 57th and 58th homicides of the year.
Rochester police say a shooter walked up to an after-hours party in a commercial building on Driving Park Avenue early this morning and opened fire on a crowd standing outside.
Four people were shot and two of them were killed. A third is in critical condition and the fourth is recovering. The incident happened about 2:30 a.m, and Police say there may have been more than one gunman who sprayed the crowd of 75 people with at least 20 rounds.
At least some of the shots were fired from the concealment of a nearby alley.