Police ID Man, Woman in Sioux City Slaying

SIOUX CITY, Iowa (AP) - Authorities have released the names of a man and woman slain inside a Sioux City house.  Police identified the pair as 35-year-old Michael Delgado, of Sioux City, and 35-year-old Yolanda Valdez, of Orange City.  Police say another man shot at the home on Thursday, 33-year-old Luis Sanchez, of Sioux City, has undergone surgery and is expected to survive.  Twenty-six-year-old Juan Nino-Estrada, of Sioux City, is charged with two counts of first-degree murder and one count of attempted murder. He was arrested early Friday at his girlfriend's house. He'd suffered a gunshot wound to his right leg. Police believe drugs were a factor in the shooting.