Police say that preliminary autopsies have "ruled out any obvious trauma as the cause of death" for four adults and three children who were found deceased inside a twin home in Moorhead, Minnesota, on Saturday evening. 

Authorities said that there is not a threat to the public, noting that there were no signs of violence or forced entry. 

Family members went to the home in Moorhead, a city of about 44,000 people in northwestern Minnesota, shortly before 8:00 p.m. on Saturday night and found the bodies. 

Moorhead police identified the deceased victims on Monday as Belin Hernandez, 37; Marleny Pinto, 34; Eldor Hernandez Castillo, 32; Mariela Guzman Pinto, 19; Mike Hernandez, 7; Marbely Hernandez, 5; and Breylin Hernandez, 16. 

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All seven individuals lived inside the residence. The children were last seen on Friday, neighbors told KFGO Radio

Seven family members were found deceased in Moorhead, Minnesota, shortly before 8:00 p.m. on Saturday. 

Seven family members were found deceased in Moorhead, Minnesota, shortly before 8:00 p.m. on Saturday.  (City of Moorhead)

"This weekend an unthinkable, and horrible tragedy, occurred in our community," Moorhead Mayor Shelly Carlson said in a statement on Monday. 

"My heart aches for the family and friends who received such devastating news this weekend."

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Moorhead is across the state border from Fargo, North Dakota, making up a metropolitan area of about 250,000 people.