The Philadelphia Police Department, Accident Investigation Unit Is seeking help from the Public in identifying the driver of a hit-and-run accident which occurred this morning. The facts of the case are as follows: On 03/18/11 at approximately 8:20 am, in the 1600 block of Pratt Street, the driver of a silver Lincoln Town Car struck a 4-year-old male child, stopped for a few seconds and then fled the scene at a high rate of speed. The child was hospitalized and is currently in critical condition. The car is described as a silver Lincoln Town Car, about a 2004 model, tinted rear and passenger windows only, possibly marked as a limousine/car service vehicle, first two letters of the tag possibly "LM", with a tinted sunroof. The Accident Investigation Unit is asking that anyone with information call the unit at 215-685-3180 or submit an anonymous tip online at www.phillypolice.com