Published: Apr 09, 2010 2:37 PM EDT

MIAMI  - A 2-year-old girl is in serious condition after police in Miami say a 29-year-old woman lost control of her SUV, drove onto a sidewalk, and then fled the scene.

The baby, identified as 2-year-old Natalie Garcia, was airlifted to Miami Children's Hospital with life threatening injuries. Miami-Dade police say Carla Schussler Sommariba was behind the wheel a 2001 GMC Yukon Thursday evening when she drove onto a sidewalk where the child was walking and struck her.

A witness followed the suspect and got her to pull over by honking his car's horn and flashing the lights. Police say he took down her vehicle information and urged her to return to the scene. Sommariba was later arrested at her home and charged with careless driving and leaving the scene of a crash with injuries.

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