Suffolk County Police First Squad detectives are investigating a hit-and-run crash that critically injured a woman in Copiague last night.

Maria Hernandez-Sanchez was crossing Sunrise Highway from south to north at the intersection of Bayview Avenue when she was struck by a motor vehicle traveling eastbound on Sunrise Highway at approximately 10:15 p.m. The vehicle, described as a grey SUV, fled the scene eastbound on Sunrise highway.

Hernandez-Sanchez, 59, of Amityville, was transported to Good Samaritan Hospital Medical Center in West Islip for treatment of critical injuries.

Detectives are asking anyone with information on the crash to call the First Squad at 631-854-8152 or Crime Stoppers at 800-220-TIPS. All calls will remain confidential.