The No Flex Zone hitmakers were performing their song Unlock The Swag on the first day of the three-day festival when Slim Jimmy jumped up on a speaker and lost his balance.

He fell on top of a large light fixture, smashing the glass, which left him with a large gash across his thigh, but instead of cut short the set, the rapper encouraged his bandmate and brother, Swae Lee, to continue with the show.

Slim Jimmy was taken by ambulance to a local hospital straight after the Randall's Island gig, where medics removed the broken glass from his leg and cleaned up the wound.

He subsequently underwent surgery and Lee updated fans about his brother's condition later on Friday (05Jun15), by sharing two photos of Slim Jimmy on the ambulance stretcher, one with the bloody open wound and another with his leg in bandages.

In one caption, he wrote, "@jxmmis is doing ok thanks to all the fans", while the second reads: "@jxmmis just underwent successful surgery to close his wound after slipping off the speaker at the Governors Ball and falling into a glass spotlight front stage. He didn't break anything and will be fully recovered asap. Jxmmi only had one comment to the fans "#SremmLife (sic)".

Governors Ball organisers also issued a statement following the incident, writing, "After suffering an injury, Slim Jimmy was taken immediately to a nearby hospital where he's in stable condition. The safety of our artists and visitors is our number one priority and our medical team was able to address this issue quickly and effectively."