From MPD:

“Detectives from the Metropolitan Police Department’s Homicide Branch are conducting a death investigation following the shooting of a young child in the 600 block of 46thPlace, Southeast, on Wednesday, July 29, 2015, at approximately 8:15 pm.

Members of the Sixth District responded to a shooting call that occurred inside of a residence, and upon arrival located a toddler suffering from an apparent gunshot wound. The toddler was transported to an area hospital where she later succumbed to her injuries. The decedent has been transported to the Office of the Chief Medical Examiner, Maryland, where an autopsy will be performed to determine the cause and manner of death.

The decedent has been identified as 3 year-old Ms. Dalis Cox, of Southeast.

Investigation into this death is continuing. Preliminary information shows the shooting may have been the result of another child having found and been playing with a firearm that discharged, striking the decedent.”