Almost 5,000 Covid cases thought to be linked to English music festival 

Festivalgoers watching Dizzee Rascal during the Boardmasters music and surfing festival in Cornwall (Andrew Timms/Boardmasters/PA)

Almost 5,000 coronavirus cases have emerged that are suspected to be linked to a music festival in Cornwall earlier this month.

Health officials are investigating 4,700 cases after the Boardmasters event two weeks ago.