Celebrations then continued across the city, with pubs and cafes given special dispensation to open early to refuel the early risers – and reinvigorate those attempting to complete an infamous undergraduate all-nighter associated with the event.
In previous years students would also undress and jump into the shallow River Cherwell from Magdalen Bridge, but this was stopped in 2005 when 40 revellers required treatment after jumping into 2ft (60cm) deep water.
The origins of Oxford’s May Morning celebrations are sketchy, but many believe it dates to the time Magdalen tower was built and the college chose to sing in spring.
A road closure is in place from The Plain junction to the top of the High Street until about 09:00 BST, with signposts for diversions and alternative cycling routes.
Crowd management systems were also introduced on Magdalen Bridge, with one-way channels enabling the crowd to flow during and immediately after the event.
