situation room . erin burnett outfront starts right now. outfront next, the breaking news. a mass shooting at a college campus. police say three are dead at this hour. one person in critical condition in las vegas. we re going to speak to a student who was in the building where the shooting happened. and more wraeki breaking nes in israel. more fighting in southern gaza. israel saying it surveyrounded top leader s home. and the republicans voted to block a package to ukraine. are they playing into putin s hands? good evening. outfront tonight, the breaking news. a deadly mass shooting on an american college campus. police say three people are dead at this moment. one person is in critical condition. gunfire breaking out at the university of nevada in las vegas. police saying a shooter entered a building located near the business school today, started shooting. the sound of gunfire sending students running. others barricades themselves in rooms. we could hear the g