Mumford & Sons have criticised reports of numerous rapes at a Swedish festival they headlined at the weekend.

The group also said they won't play the Bravalla festival in Norkopping again until they receive assurances that the problem has been rectified.

Five women were reportedly raped and 12 more females suffered sexual assaults at the event.

In a post on Facebook published today (July 5), Mumford & Sons expressed their dismay at the the reports.

They said: "We're appalled to hear what happened at the Bravalla Festival last weekend. Festivals are a celebration of music and people, a place to let go and feel safe doing so. We're gutted by these hideous reports.

"We won't play at this festival again until we've had assurances from the police and organisers that they're doing something to combat what appears to be a disgustingly high rate of reported sexual violence."

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Watch Mumford & Sons play at the festival below: