MISSOULA, Mont. -

Missoula Police are investigating the death of a 16-month-old who was taken to the hospital earlier this week.

Tuesday morning police and emergency crews were called to an apartment complex on Tina Avenue.

Reports say the toddler's mother called 911 to report her child wasn't breathing.

Police say the child had no obvious injuries. They're waiting for the results of an autopsy to pinpoint the cause of death.