Shane Marshall—previously charged with throwing gravel at Justin Trudeau—is arrested at Ottawa protest

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      A former People's Party of Canada riding president is among those taken into custody today by Ottawa police.

      In the tweet below, Shane Marshall is shown being escorted to a squad car by a large number of officers.

      Last year, he was charged with one count of assault with a weapon after he allegedly threw gravel at Justin Trudeau in London, Ontario.

      On September 6, Trudeau was campaigning in Elgin-Middlesex-London when he was greeted by angry protesters. The pebbles were thrown as he was stepping onto the Liberal Party of Canada bus.

      Not long after Marshall's name was linked to the pebble-throwing incident, heceased being the PPC riding president in Elgin-Middlesex-London.

      In the general election, Conservative incumbent Karen Vecchio easily retained her seat, winning 49.9 percent of the votes.

      The PPC candidate, Chelsea Hillier, came fourth with 11.8 percent of all ballots cast.

      Her father, Randy Hillier, is an independent MPP in Ontario and a major supporter of the convoy to Ottawa