A man in China’s central province of Hubei hit and run over two senior women with his motorcycle on Sunday, but later found out one of the dead victims is his mother, according to China News Online.

The accident happened when he and his son were rushing home Sunday evening. They ran over two senior women on the streets due to dim lights and speeding. His son wanted to pick up one of them, but he stopped him to run away from the scene.

The two women, one was seriously injured and another was killed on the spot. Police started the investigation and also put on a poster to track the offender.

The man later found out it was his mother whom he ran over and handed over himself to the police station the next day.