Atwater PD responded to the intersection of Winton Way and Juniper for a traffic collision Tuesday night at 11:47 p.m.
When officers arrived they located two vehicles blocking the intersection.
One pregnant female was airlifted. Two occupants from the other vehicle were injured, police say.
One man had to be restrained by officers (shown in the video at 0:39). He is under investigation for possibly driving under the influence, police say. He was also transported to a local hospital.
Only minimal details are available due to the traffic collision being under investigation.