Shocking video shows an ambulance with sirens blaring stuck behind a UPS truck in Brooklyn, New York.
The truck is parked in the street, blocking traffic behind it. When an ambulance pulls up, the driver, who's in the truck, appears to rearrange the truck’s passenger side mirror, footage shows, but the ambulance can't pass and its horn angrily honks.
The ambulance is forced to wait before eventually the UPS driver pulls ahead to allow the ambulance through.
The passer-by who filmed the video then follows the UPS driver down the street to confront him, but the driver wouldn't answer the man's questions.
"If this would have been your family, would you have stayed, too?" he asks.
"Do me a favor. Could you move out of my way? Let me pass, please," the driver replies.
The man agrees to move, but warns the driver he plans to send the video to UPS.
“And keep in mind, keep in mind, if you post that or you send that you will get a lawsuit," the driver says. "You are illegally recording."
In a statement, UPS said it "trains its drivers to follow all traffic laws, which includes allowing emergency vehicles to pass. We are aware of the situation and (are) taking appropriate action."