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Trams stopped operating between 11:30 p.m. on Sunday and around 5:30 a.m. the following day.
Grouse Mountain spokeswoman Julie Grant says the situation was unusual.
Grant says guests were kept comfortable through the night with blankets, snacks and hot chocolate, while Christmas movies played continuously in the theatre.
His exploits in Tehran at the time were the basis for the blockbuster 2012 Hollywood film "Argo," which resurrected the crisis for a whole new generation — even if it was criticized for understating Canada's part in the drama.
A ceremony will be held for Warrant Officer Patrice Vincent on Tuesday — one year to the day he was run down and killed by Martin Couture-Rouleau, a radicalized Quebec man, in a parking lot in Saint-Jean-sur-Richelieu.
The agency is still looking for the source of the bacterial infection, which has sickened 34 Canadians across the country between June 12 and Sept. 20.
