The Tomorrowland Unite Spain festival is currently underway in Barcelona.
Around 22,000 people had to be evacuated from the festival after a fire broke out on the main stage.
According to Spanish newspaper El Pais, the blaze apparently broke out after a pyrotechnic element malfunctioned.
No injuries have been reported so far.
Fans have been posting footage of the blaze online.
#TomorrowlandBarcelona UNITE stage went up in flames. #Tomorrowland pic.twitter.com/DHU8vvEQaq
— Ravindu Thimantha G. (@IamRavindu) July 30, 2017
Footage of the fire spreading at #Tomorrowland Unite in Spain. Looks terrible! pic.twitter.com/mQUWWJh8l5
— We Rave You (@weraveyou) July 30, 2017
#tomorrowland first minutes of fire in Spain pic.twitter.com/x3uzOwkdy1
— Adrian Herrera (@_adrian_herrera) July 29, 2017
DJ Steve Aoki had been due to perform on the stage at the event when the fire began.
