Liberal Leader Justin Trudeau condemned “angry mobs” after being hit with a handful of gravel while campaigning in London, Ontario on Labour Day. Trudeau was boarding his campaign bus to leave the event when he was surrounded by protesters yelling insults. Gravel and debris were thrown at the party leader, while the RCMP security detail attempted to shield Trudeau. When asked about the incident during a Sept. 7 press conference in Montreal, Trudeau called the incident “absolutely unacceptable.” “It is absolutely unacceptable that people be throwing things and endangering others at a political rally,” he said. “Nobody should be getting that kind of intimidation or endangerment, that these angry mobs are putting forward.” Trudeau said he felt some gravel hitting him, but was “physically unharmed.” Several members of the press were reportedly also struck, but also unhurt. Conservative Leader Erin O’Toole condemned the incident during a press conference on Sept. …