Secret special guests will play next month’s Slam Dunk Festival 2017 in Hatfield.

https://twitter.com/SlamDunkMusic/status/851008698604544000

Organisers have confirmed that an as yet unnamed act will play the touring pop-punk, ska punk, metal and alternative rock festival at the University of Hertfordshire in Hatfield on Bank Holiday Monday, May 29.

They will also appear at Slam Dunk Midlands in Birmingham and Slam Dunk North in Leeds the previous two days.

https://twitter.com/SlamDunkMusic/status/851009290093678592

The festival revealed via its social media channels a special piece of tour artwork designed by Mat Welsh from While She Sleeps, which will be available at all three sites.

Slam Dunk posted on its Facebook page: “To celebrate the heavier bands on the year’s festival we are pleased to announce we will be doing a limited print run of this awesome artwork designed by Mat Welsh from While She Sleeps.

“These will be available for sale at all three days of the festival and will of course have the name of our secret special guests on!

“To get your hands on more of Mat’s art check out http://bit.ly/MatWelsh

“Slam Dunk Festival South is now sold out and North will be by the end of this month!

“For remaining tickets check out www.slamdunkmusic.com

The festival’s Facebook update added: “P.S it’s not Sleeps...but who could it be!?”

• As Slam Dunk’s local newspaper in Hatfield, the Welwyn Hatfield Times will bring the latest festival news when it is announced.