In pictures: Scottish students celebrate Raisin Monday with massive foam fight

Hundreds of students have taken part in a mass foam fight as part of a ritual dating back centuries at Scotland's oldest university.

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Raisin Monday is the culmination of a weekend of festivities when first-year students at the University of St Andrews say thank-you to their more senior student "parents" for mentoring them. The so-called "children" are given embarrassing costumes to wear and take part in a shaving foam fight in St Salvator's Quad in the Fife town.