The frontman made the comments at the band's show in Toronto
The incident took place at their show in Toronto on Monday night (July 6)
The full video will premiere on Thursday (July 9)
The group also performed 'Gloria' for first time in 10 years
The U2 frontman held talks with Stephen Harper on Monday (June 15)
The Irish band also played 'Lucifer's Hands' for the first time
Anthony Kiedis, Bruno Mars and LL Cool J also in attendance
The U2 frontman visited Canter's deli after his band's show in Los Angeles on Saturday night (May 30)
Frontman speaks following Dennis Sheehan's death earlier this week
Impostor joined band for 'The Sweetest Thing'