MENLO PARK -- A 9-year-old girl died after she apparently drowned in a Menlo Park apartment complex pool Tuesday afternoon, police said.

Officers and paramedics responded to the 300 block of Sharon Park Drive around 5 p.m., according to Menlo Park police.

When crews arrived, they found the girl near the pool, unconscious and not breathing.

Medics immediately began CPR and the girl was then rushed to Stanford Medical Center, police said. Emergency room staff continued to perform CPR in an attempt to resuscitate her, but efforts proved unsuccessful and she was pronounced dead.

Police said initial reports indicated the drowning was accidental, but they are continuing to investigate the incident.

Contact Katie Nelson at 408-920-5006 and follow her at Twitter.com/katienelson210.