Wolf Escape Prompts Greater Vancouver Zoo to Remain Closed for Second Day

A female wolf, left, and male wolf roam the tundra near The Meadowbank Gold Mine located in the Nunavut Territory of Canada on March 25, 2009. The Canadian Press/Nathan Denette

The Greater Vancouver Zoo remains closed a day after a number of its wolves got out of their enclosure in what the zoo suspects was a deliberate act.

The zoo, which has nine adult grey wolves and six cubs, has not confirmed how many escaped or remain unaccounted for.