A man fatally stabbed his wife and their 7-year-old daughter at a Minnesota daycare owned by the couple, before taking his own life on Wednesday, according to police.EDITOR’S NOTE: This story contains details of suicide. Help is available if you or someone you know is struggling with suicidal thoughts or mental health matters. In the US, call or text 988 for help. The International Association for Suicide Prevention and Befrienders Worldwide have contact information for crisis centers around the world.