London Zoo Gorilla Scare: Ape Escapes Exhibit

October 13, 2016 | Updated: 1:29 p.m., October 13, 2016

LONDON, ENGLAND - MAY 02: Kumbuka, a 15-year-old western lowland gorilla, explores his new enclosure in ZSL London Zoo on May 2, 2013 in London, England. The silverback male, who weights 185 kg and stands seven foot tall, moved from Paignton Zoo two weeks ago. It is hoped that Kumbuka will mate with the zoo's three female gorillas to increase numbers of the critically endangered species as part of the European breeding programme. (Photo by Oli Scarff/Getty Images)

[FILE] LONDON, ENGLAND – Kumbuka, a 15-year-old western lowland gorilla, explores his new enclosure in ZSL London Zoo on May 2, 2013 in London, England. The silverback male, who weights 185 kg and stands seven foot tall, moved from Paignton Zoo two weeks ago. It is hoped that Kumbuka will mate with the zoo’s three female gorillas to increase numbers of the critically endangered species as part of the European breeding programme. (Photo by Oli Scarff/Getty Images)

A gorilla escaped its enclosure at London Zoo on Thursday, prompting concerns about the safety of visitors.

The city’s Metropolitan Police received a call from zoo security just after 5 p.m. asking for assistance with an escaped gorilla, police told CNN.

Footage posted on social media showed armed officers walking through the grounds.

Other members of the public reported huddling inside zoo buildings for protection from the gorilla on the loose.

A police spokesperson later told the Press Association the incident had “concluded,” amid reports the animal had been recaptured.