18-year-old in custody following fatal Georgia stabbing

An 18-year-old girl in Cobb County, Georgia, is in police custody after another girl was fatally stabbed.

Police took Olivia Smith into custody at the scene after authorities say 17-year-old Abbey Hebert died from her injuries in her own front yard. (Video via WSB-TV)

On Saturday, Hebert's high school classmates organized a candlelight vigil.

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Hundreds of students gathered at Allatoona High School’s football stadium for a vigil in Hebert’s memory, according to The Atlanta Journal-Constitution. They lit candles, sang and prayed.

Smith is being held without bond. Authorities have charged her with felony murder in Hebert's death.