If you haven't seen the clips from an event in New York here is a snippet from it.
Drew Barrymore was rushed off the stage during an event at a theater in New York on Monday. A guy identifying himself as Chad Michael Busto rushed the stage shouting her name. Two security guys were instantly on the guy as Drew and actress/singer Renee Rapp quickly walked off. (They came back out a few minutes later.)
So scary!