Woman arrested over fatal Point Cook house fire

Police have arrested a woman in relation to a house fire in Melbourne’s west that claimed the lives of three people, including a three-week-old baby.

The 46-year-old woman was arrested by Arson and Explosives Squad detectives in Airport West this morning, police said in a statement.

Police said it was believed the woman was known to the one of the occupants of the property.

The woman remains in police custody.

A 19-year-old woman, a 28-year-old man and a three-week-old baby girl died in the fire at Point Cook yesterday morning.

Emergency services were called to the property about 3:40am following reports of a house fire which had spread to neighbouring residences.

The townhouse was destroyed by the blaze and two other properties were also…