Vigil planned after 2 killed, 4 wounded in campus shooting

CHARLOTTE, N.C. (AP) — A shooting that killed two and wounded four at a North Carolina university left students scrambling for shelter and prompted fresh calls for ways to keep campuses safe.A vigil was planned for Wednesday on the campus of the University of North Carolina-Charlotte, where the shooting on Tuesday upended the last day of class. The governor vowed a hard look at what happened in order to prevent future shootings."A student should not have to fear for his or her life when th