Los Angeles, Safar 21, 1436, Dec 13, 2014, SPA -- Four youths were wounded Friday in a shooting outside a high school in Portland, Oregon, and the shooter remained at large, police said. In a televised press conference, Portland police Sergeant Pete Simpson said three victims were being treated in local hospitals: a 16-year old girl in critical condition, and a 17-year-old boy and a 20-year-old man each in serious condition. A fourth victim, a 19-year old woman, suffered minor injuries from a bullet graze and was not hospitalized. Portland police were looking for the shooter. Police don't yet know what led to the shooting or whether the victims were specifically targeted by the shooter, dpa reported. --SPA 14:25 LOCAL TIME 11:25 GMT www.spa.gov.sa/w