May Day celebrations across the UK have kicked off with Morris dancing, the singing of madrigals, maypoles and dips in the sea.

Dozens of St Andrews University students braved the North Sea's chilly waters this morning as they took part in the annual May Day dip at East Sands beach in Fife.

The event, marking the beginning of May, is believed to bring good luck in upcoming exams.

READ MORE: In pictures: Thousands attend Edinburgh's Beltane Fire Festival

It comes after thousands of revellers gathered on Edinburgh's Calton Hill for the annual Beltane Fire Festival. 

The traditional spring festival has its routes in ancient pagan festivals.