HONOLULU (KHON2) -- An investigation is underway following a single-car crash early Wednesday that left a woman in critical condition. Get Hawaii's latest morning news delivered to your inbox, sign up for News 2 You Authorities reported that just before 6 a.m., a Kia traveling south on West Kui-Aha Road veered off the road, struck a fence, and overturned. Good Samaritans rushed to the scene, rescuing the driver and a 2-year-old girl from the vehicle. Aggravated assault closes Queen Emma Street While the driver was transported to the hospital with life-threatening injuries, the young girl was uninjured. Download the free KHON2 app for iOS or Android to stay informed on the latest news The incident remains under investigation.