WOBURN (CBS) – Two pedestrians were struck by a septic truck near Woburn City Hall Tuesday night.

Woburn Police say the two victims, a 67-year-old woman and a 71-year-old man, suffered serious life-threatening injuries after they were struck on Common Street. Both victims are from Boston.

READ MORE: Keller @ Large: Talks Drag Over Infrastructure Bill, But One Side Has The Upper Hand

Officers believe the victims were crossing the street in the crosswalk and were trying to catch a bus in front of city hall.

READ MORE: Plans To Rebuild Norwood Hospital In The Works After Floods Destroyed Building One Year Ago

The driver of the truck remained on scene following the accident, and was at times, visibly upset.

MORE NEWS: Canton Woman Pleads Guilty In Romance Scam

The incident is under investigation by Woburn Police and State Police.