By Faye Mayern
Fire crews were called to a zoo after wolves tunneled through their enclosure.
Essex County Fire and Rescue's urban search and rescue team was called after Colchester Zoo issued a plea for searching the tunnels.
The zoo is home to Eurasian gray wolves , which dig dens for their pups.
The search and rescue teams were able to "clear" the tunnels excavated by the pack and search them.
A spokesperson for Essex Fire's urban search and rescue team said: "The team had an interesting request last week.
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"Colchester Zoo keepers needed help to search tunnels that the wo