RIVERDALE, Utah – A 23-year-old woman, identified as Mayra Catalan-Dimas, was found dead following a house fire in Riverdale, leading to an AMBER Alert for her two young children and a search for their father, who has since been taken into custody. On the evening of the incident, firefighters responded to a house fire at 5100 South 1050 West in Riverdale. Upon arriving at the scene, officers discovered Catalan-Dimas unresponsive inside the burning home. Despite efforts to resuscitate her, she was pronounced dead at the scene. Preliminary investigations revealed that the woman had been stabbed in the neck, though authorities…