(Albany, OR)  --  An investigation continues after a 16-year-old girl was killed by a train in Albany.  Linn County Sheriff Bruce Riley says Sara-Tessa Lytle was struck and killed around 11:00 Saturday night on tracks near the intersection of Highway 99 and Beta Drive.  Riley says the teen was walking on the tracks when she was hit by the Union Pacific train.  Lytle was a student at West Albany High School.