An investigation's underway in Belfast after 108 teenagers had to be treated for the effects of drugs or drugs at a gig.
Medical teams declared a major incident due to the number of people needing help outside the Odyssey Arena last night.
Seventeen teenagers were taken to hospital.
The venue claims the teens arrived "intoxicated" and weren't allowed in to the Hardwell gig.
The DJ is performing at the O2 in Dublin tonight.
These people were at the Odyssey gig:
