A medical condition played a role in an accident in north Wichita overnight.

It happened near 33rd St. and St. Francis around 3:30 a.m. Wednesday. Wichita Police said a 52-year-old man from Wichita was driving north, when he failed to navigate the intersection and went into a ditch. There was minor damage to the vehicle.

The driver was taken to the hospital in critical condition. Investigators said the driver was not wearing a seatbelt.

Police said there is no evidence of alcohol or other traffic violations playing a role.