CHARLESTON, W.Va. — Authorities say a fire broke out Saturday morning at a two-story wood frame home, killing six children and two adults.

A woman and a baby also were hurt.

Bob Sharp, assistant chief for the Charleston Fire Department, said that all the children were younger than 8.

It was not immediately clear how the blaze started.

Fire officials believe all those who died lived in the home.

The cause of the fire is under investigation.