1 of 10 BBC News' Ian Youngs captured the scenes at Glastonbury on his cameraphone as torrential rain turned the festival site, already swelling with 112,500 people, into a bog on Friday morning.
2 of 10 Stuart Chappell, 20, from Somerset, swam to his tent to retrieve his belongings, including his car keys and wallet...
3 of 10 ... he found some belongings amid the floating rubbish on the flooded campsite.
4 of 10 After days of hot weather, Friday morning's thunderstorms flooded parts of the site, including the portable toilets.
5 of 10 Despite the flooding, some Glastonbury festival goers insisted on using the proper facilities.
6 of 10 Festival founder Michael Eavis said organisers had "seen it all before" and said they would cope.
7 of 10 Medical services have warned people to take care as the water reached knee-deep levels in places.
8 of 10 Regular Glastonbury Festival goers have not seen scenes like this since the mudbaths of the 1998 event.
9 of 10 Most of the tents were unable to compete with the flooding.
10 of 10 But Glastonbury Festival revellers refused to let the downpours spoil their fun.