AURORA | Aurora police shut down the RTD-A line serving Denver International Airport for hours Tuesday night after a lethal incident at Sable Boulevard near East Smith Road in what investigators are saying could be a suicide.

The incident occurred shortly after 9 p.m. Tuesday. Police have not released details about the death.

RTD used buses to transport train passengers around the crime scene. Light-rail officials restored full service about 3 a.m. for passengers using the A-Line for airport commuting.

Police expect to offer more details today.