Police: Mom sets herself on fire, kills herself and twins

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VALLEJO, Calif. — Northern California police say a woman set herself on fire inside her home last weekend, killing herself and her twin 14-year-old daughters.

Vallejo police Capt. Lee Horton said Thursday that 47-year-old Mau Dao's suicide also injured her 11-year-old daughter.

He says detectives are investigating the case in the San Francisco Bay Area as a suicide that resulted in two homicides.

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Horton says in a statement that the 11-year-old girl is with her father and expected to recover.

Authorities say the girl was outside the house engulfed in flames Sunday and a police officer patrolling the area saw her.

They say firefighters brought out the woman and her two daughters, but one of the twins died at the scene. The other teen and her mother died at a hospital.