Video of Justin Bieber getting grabbed by a man onstage appeared on the Web Sunday, the same day of his performance in Dubai. Video shows the man running up to Bieber and grabbing him from behind, only to be tackled seconds later by security personnel, knocking over a piano in the process. Bieber reportedly continued the concert despite the event. Watch the video of the attack here.

Justin Bieber

Canadian singer Justin Bieber performs onstage at a concert during his "Believe" world tour stop in Dubai.

Photo: Reuters