A mother and her three children have died following a house fire in northeastern Indiana.

The blaze in Fremont was reported about 5 a.m. Saturday and the victims were found minutes later by firefighters inside the burning home, state police said.

WESTERN INDIANA MOBILE HOME FIRE KILLS 2 CHILDREN

Indiana local

A Fremont, Indiana, woman and her three children were found dead following a Saturday morning house fire. (Fox News)

They were pronounced dead at hospitals. A county coroner has confirmed their identities, but their names and ages were not released Saturday. Autopsies were expected to be performed Sunday.

MINNESOTA SENIOR, DOG KILLED IN NEW YEAR'S DAY HOUSE FIRE

A preliminary investigation shows the fire appears to have started in an unoccupied area on the home's second floor, state police said.

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The cause of the fire is under investigation.