As expected after Saturday night's incident, the rest of the concert was canceled.
A representative for the star told Variety he was in hospital being treated for an injury but they would not say how serious his condition was.
The boys, who were both 18 at the time, were said to have been fans of Manson.
Last week, he said: 'Honestly, the Columbine era destroyed my entire career at the time.' There was no report on his condition on Saturday shortly after the accident.
As seen in the video below from a concert attendee, Manson was performing and started to climb a giant set piece of two giant pistols. Journalist Katerine Turman, who was also at the concert, tweeted that he was taken to the hospital and says that he only sustained a leg injury.
He was taken from the stage on a stretcher and the concert was canceled.
No word on additional details of his injury or whether or not this will affect the tour.
Marilyn Manson and Johnny Depp just took their bromance to the next level with an all out orgy in the rocker's new music video.
Also, if anything wasn't squared away with the T-shirts, I'm so sorry. People just made that shirt stuff into a fake feud. The egotistical rocker was particularly incensed that the vain pop pixie had the temerity to poke fun at his relevance to the current music market.
Anyway, regardless, it kind of stung seeing that I came off as an a**hole or even just was an a**hole, I'm sorry? Let's turn it upside down and f*** the press and do something together. The singer, real name Brian Warner, told Consequence Of Sound: 'He said to me "I made you relevant again.