The kicker though was in Montreal on 17th July 1972. A bomb went off under the equipment van. No injuries but the equipment inside the van was badly damaged. The show went on, after a riot by the 3,000 fans who had bought forged tickets. As far as I am aware, no one ever claimed responsibility for planting the bomb.
I think that this was the tour that Keef came up with his famous quotation “Heroin isn’t a problem, policemen are.”