Update: Greenpeace activists arrested after climbing Montreal's Big O

Several Greenpeace members climbed the outside of the Olympic Stadium tower in Montreal on Thursday to protest the federal government’s decision to buy the Trans Mountain pipeline project.
It’s a beautiful day for an action… We’ve got a little suprise for Justin #Trudeau. Stay tuned, we’ll ne back soon… #StopTMX pic.twitter.com/gKwV0zDLDG
— Greenpeace Canada (@GreenpeaceCA) July 19, 2018 
The five climbers, who were equipped with cables and harnes