Two children died and another was injured in a fire that engulfed a home. Photo: Con Chronis/AAP PHOTOS

Within two minutes of a mother leaving her three children aged under five at home alone, a smoke alarm sounded.

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Fire would soon engulf the property and kill two young girls, a one-year-old and a five-year-old.

Their mother, Shania Lee, allegedly heard screaming as she watched home security cameras on her phone after leaving.

"Investigators believe that the referred screaming is in relation to children during the fire," Detective Senior Constable Chris Mitchell told Melbourne Mag

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