By Steve Beck

TREDYFFRIN TOWNSHIP, Pa. (CBS) – Two people were rushed to the hospital after a serious crash in Chester County early Wednesday morning.

The one-car crash happened shortly after midnight at Upper Gulph and Fletcher Roads in Tredyffrin Township.

According to investigators, the driver somehow lost control of the car and drove down an embankment and eventually slammed into a tree.

Both victims were flown to the Hospital of the University of Pennsylvania in unknown conditions.

The exact cause of the crash remains under investigation.