A British man has died after collapsing at a dance music festival in Austria, police said. The 25-year-old from West Bromwich complained of chest pains before collapsing at 4pm local time on the first day of the Snowbombing festival at Mayrhofen ski resort in the Ziller valley.

"The man was treated by paramedics but lost consciousness and died," said an official from Mayrhofen police. A postmortem will take place on Tuesday.

The festival, which is in its 15th year, is organised by the Manchester-based student tour company Outgoing Ltd. More than 5,000 revellers were expected at the six-day festival, with tickets costing from £319 including accommodation.

Snowbombing's website says it is a "festival filled with fresh air, blue skies, black runs & white-hot parties. A week-long whirlwind of world-class DJs and bands, in the idyllic alpine setting of Mayrhofen, Austria. Days are spent skiing, boarding, enjoying music on mountaintop stages or relaxing in the spa of a luxury hotel."

The organisers issued a statement last night in which they said: "We have offered every assistance and our thoughts are with the man's family. His next of kin are being contacted. We cannot comment further at this point."

This year's headliners include the Prodigy, with DJ sets from the Chemical Brothers and Chase & Status and appearances by 400 artists at 15 venues.

• This article was amended on 9 April 2014 to correct the name of the Ziller valley, from Zillertal as the original said.