An evening at a downtown Toronto nightclub took a shocking turn for Canadian superstar Justin Bieber as a stranger attempted to attack him, TMZ reports.

The popular celebrity gossip website said when the singer left the club’s VIP area around 3 a.m., a man charged at him, grabbed his shirt and attempted pull him to the ground.

Images obtained by TMZ show club security coming to Bieber’s aid before escorting the man out of the club.

There has been no word on charges.

Bieber was unharmed in the incident.