At least 4 people were wounded overnight in a shooting on the campus of the University of Southern California, police said early Thursday. An officer with the Los Angeles Police Department confirmed there had been a shooting on campus and said four people had been taken to hospital, but could not immediately provide further details. USC said on its website that a suspect was in custody following the shooting, which occurred at 11:30 pm (0630 GMT) Wednesday. The campus emergency website urged students to stay away from the area, citing an \"ongoing police investigation.\" The LA Times reported that \"several\" people were shot at a Halloween party on the campus. The private university in Los Angeles has more than 38,000 students and boasts the largest number of international students of any US university.