Three wolves have been shot dead after they escaped from a zoo in essex.
A pack of five wolves escaped from the zoo into thick undergrowth.
One of the five wolves returned to the enclosure shortly later.
A second wolf was shot with an anaesthetic dark and returned.
Police then began a search for the remaining three wolves.
Police requested members of the public to stay indoors.
Police then shot dead the three remaining wolves as they posed a risk to public.
