Nassau County police are looking for the driver who struck twin sisters before taking off.

Police say the 54-year-old victims were walking on Arrandale Road in Great Neck at around 6:30 p.m. last night when they were hit.

The two sisters were taken to the hospital after the accident. One sister is in critical condition with internal injuries and head trauma, and the other was treated for non-life threatening injuries.

Anyone with information on the accident is asked to call Nassau Crime Stoppers at 1-800-244-TIPS.