Anti-vaccine protesters threw gravel at Justin Trudeau in the latest of a series of increasingly ill-tempered protests that have marred Canada's general election campaign. The Canadian prime minister was boarding his campaign bus after an event at a brewery in the town of London, Ontario, when the incident occurred on Monday evening . Mr Trudeau said afterwards that some of the gravel “might have” hit his shoulder. Read the full story here: https://www.telegraph.co.uk/world-new... Subscribe to The Telegraph on YouTube ► https://bit.ly/3idrdLH Get the latest headlines: https://www.telegraph.co.uk/ Telegraph.co.uk and / telegraphtv are websites of The Telegraph, the UK's best-selling quality daily newspaper providing news and analysis on UK and world events, business, sport, lifestyle and culture. #Trudeau #Canada #Protest