The shooting was a drive-by targeting a pop-up party, police say In the moments after the shooting, Massaquoi said that police had broken up some large gatherings in the area earlier in the evening.

Police say an alcohol-fueled “pop-up party” that migrated from Denver to Aurora descended into a melee and shooting that killed a 15-year-old girl early Sunday morning.

One person is dead and five others injured after a gunman opened fire at a Philadelphia "pop-up" party attended by at least 150 people Saturday morning.