A call to an anonymous tip line created after the 2012 shooting at Sandy Hook Elementary School in Newtown, Connecticut, set off a chain of events that helped thwart a potential Valentine’s Day mass shooting in Indiana,

An 18-year-old student at an Indiana high school has been arrested after police said she planned to carry out a mass shooting on Valentine's Day.

Valentine's Day is celebrated on February 14th and is thought to be connected to the ancient Roman festival of Lupercalia. The holiday's modern traditions are largely attributed to Geoffrey Chaucer, who first linked St. Valentine's Day with romantic love in his poetry.

Each Valentine's Day, millions of Americans gift their partners or loved ones with flowers, cards or candy as a token of their affections on Feb. 14. But while some see it as a commercialized "Hallmark holiday,

Valentine’s Day is a holiday for people worldwide to share their love and affection. But did you ever wonder how the holiday that celebrates love, affection and friendship came to be? The origin of Valentine’s Day Although the origins of the holiday are slightly unclear,