PITTSBURGH — Pittsburgh police say three people are dead and another is wounded after a shooting.Allegheny County dispatchers said police and medics were called to Cedar Avenue at around 10:08 p.m.Officers say one person was pronounced dead at the scene and two died later.A fourth man was reported to have gone to the hospital on his own.Check back for updates as more information becomes available.Download the FREE WPXI News app for breaking news alerts."