He's in custody, 20 injured
                                
                                
                                    (Newser) -
                                    A male sophomore is in custody after 20 were injured in "multiple stabbings" at Franklin Regional High School in Murrysville, Pa., this morning,  WPXI  reports. Nineteen students and a security guard were hurt, according to  KDKA , which reports that the suspect had two knives on him. Of those injured,...