Dramatic new video shows driver racing to save victims in Las Vegas

**Warning: Video contains graphic content. Viewer discretion advised.

LAS VEGAS — A new video shows the moments a man rushed to help save as many victims as he could — by loading them into his truck .

Raymond Page was adjusting traffic signal timing when the shooting started.

When he realized ambulances weren’t there yet, he ran back to his work truck, and started loading victims.

Watch the chilling video in the player above