Three teenagers have died, after a suspected crush at a St Patrick's Night disco in Cookstown, County Tyrone.
The PSNI say two 17-year-olds and one 16-year-old died in the incident at the Greenvale Hotel, which took place at approximately 9:30pm last night.
One of the youths died at the scene, while the two others died in hospital this morning.
A 16-year-old girl remains in a stable condition in hospital.
An investigation has been launched by the PSNI into the circumstances surrounding the tragic incident.
ACC Mark Hamilton extends condolences to the families of the three teenagers who died at a St. Patrick's Day event in Cookstown. A major investigation is now underway. pic.twitter.com/UiktCkx4IU
— PSNI (@PoliceServiceNI) March 18, 2019
The PSNI are also investigating reports of a fight at the scene.
At this stage, Police believe the crush happened as a large group of teenagers surged towards the front door of the hotel, trying to get into the disco.
Thoughts and prayers with everyone impacted by this tonight. https://t.co/PywJIft7hq
— Arlene Foster (@DUPleader) March 17, 2019
I can't fathom the horror that the parents of the three young people are going through this morning. What should have been a night of fun and celebration has turned into a night of tragedy. My deepest sympathies at this time of heartbreak, shock and loss https://t.co/g9FelSfY4C
— Mary Lou McDonald (@MaryLouMcDonald) March 18, 2019
The PSNI have also asked those who were there not to share any video footage online.