Video from the live performance exhibits Neil give a spin together with his guitar by his aspect after which stroll to the aspect of the stage earlier than slipping out of sight.
The band completed the tune after which carried on, taking part in a Led Zeppelin cowl, in accordance with fan Darrell Jenkins, who shot this video.
In one other video, bass participant Dana Strum defined to the gang that Neil was damage.
"The truth is Vince fell and broke ribs when he fell," Strum mentioned. "He can't breathe and he's gonna get dealt with medically."
Strum mentioned Neil needed to powerful it out and end the present, however was informed he should not.
Neil has not posted any updates on his situation on social media.
The band then launched into Mötley Crüe's "Live Wire" and urged the viewers to sing alongside, so Neil might hear them backstage.
Jenkins tweeted that Neil seemed good and was singing nice earlier than the autumn.