Bhubaneswar: In yet another road mishap, three persons, including a pregnant woman, were critically injured as an ambulance rammed into a culvert at Gaudaguda village under Jharigaon police limits in Nawarangpur district late on Saturday night.

The two other injured were identified as an ASHA worker and the ambulance driver.

While the driver is undergoing treatment at the Umarkote hospital, the two others-pregnant woman and ASHA worker-have been shifted to Nawarangpur DHH as their condition deteriorated.

According to reports, the ambulance carrying the pregnant woman was on its way to a hospital at around 1am when the driver lost control and drove it into a culvert at Gaudaguda.

The police have reached the spot and started investigation.