Story highlights The fallen officer was identified as Ashley Guindon

She was just sworn in Friday

(CNN) A Virginia police officer was killed while responding to a domestic-related shooting a day after she was sworn in, authorities said.

Prince William County police officer Ashley Guindon was killed Saturday night in Lake Ridge. She was sworn in Friday.

Two other officers were injured in the shooting, authorities said. One was in critical condition with multiple gunshot wounds and another officer was stable, according to Corey Stewart, chairman of the board of county supervisors.

A day before the shooting, the department tweeted a photo of Guindon after her swearing in.