The Boston Globe is reporting that 50 concertgoers were treated at the TD Garden during an Avicii show last night while another 36 were hospitalized. The patients were mostly minors. According to Boston EMS Deputy Superintendent Michael Bosse, tadalafil shop signs point to drug and alcohol use, viagra sale although no specific substance has been confirmed. Fortunately there were no fatalities as the situation was labeled a “Phase 2 Mass Casualty Incident” by medical services.

Avicii tweeted about the incident:

Just hearing the awful news abt tonight. Its a terrible thing, I rly hope everyone is ok! My thoughts go to those affected & their families.

— Tim Bergling (@Avicii) June 26, 2014

Boston police plan to interview the patients to get a better picture of the exact cause.