LOS ANGELES, CA - AUGUST 15:  DJ Steve Aoki performs onstage during PANDORA SUMMER CRUSH 2015 at L.A. LIVE on August 15, 2015
Chelsea Lauren/Getty Images for PANDORA Media

Steve Aoki is “saddened and shocked” over a ceiling collapse at an Oslo concert that left 15 injured but no one seriously hurt.

According to the BBC, the EDM superstar’s Saturday night performance at the Norwegian capital’s Sentrum Scene was evacuated after part of the venue’s ceiling collapsed. One student said that the scene was “total chaos”; firemen were brought in to secure the site.

Aoki tweeted the following after the incident:

The incident comes just days after Aoki settled a lawsuit with a fan who broke her neck at one of his shows. Aoki reportedly apologized to the fan.

Watch Steve Aoki discuss his Beat Bomb video game with us at E3: