(CNN) – A woman was arrested in Phoenix on suspicion of killing her three children: her baby, another 2-year-old daughter and her 3-year-old son, police said Tuesday.
Police found the dead children in their Phoenix home on Monday night after someone called 911 to report some unspecified problem, police sergeant Mercedes Fortune said.
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“The … mother admitted to hurting her three children,” which caused them to die, Fortune said.
The woman, a 22-year-old girl who recently moved there from Oklahoma, will be detained on three counts of first-degree murder, Fortune said.
The sergeant did not disclose how the children died or how their mother allegedly attacked them. The names of the woman and her children were not revealed immediately.
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Police said there were no obvious signs of trauma and that a coroner will determine the causes of the deaths.
