Illness has forced The Kooks to cancel five shows on their current UK tour.
As well as Thursday's Brighton gig, tonight's in Southampton is also off.
In addition to this, the following have also had to be rescheduled:
Norwich (Sun 1 Oct).
Newcastle (Mon 2 Oct).
Leeds (Tues 3 Oct).
In a statement the band said: "We are truly upset to all of the fans who have been waiting since May to see these shows. We do apologise, but Luke is really quite poorly. We will be back very, very soon and look forward to seeing you all there. Love, The Kooks."
For details on when the shows will be rescheduled keep an eye on the band's website
www.thekooks.co.uk