The musician will become the youngest ever headliner of the festival, at just 20 years old.

Environmentally damaging substances have been found in the river that runs through the Glastonbury Festival site, and scientists believe they are caused by copious amounts of drugs in festival goers' urine.

Half of the festivals with more than 5,000 attendees have been cancelled this year.

The Mendip district council has approved a 50,000-capacity show, with no overnight camping.