Martin McCullough

Around five fire appliances from Northern Ireland Fire and Rescue Service were placed on standby

The zoo was home to three Barbary lions- a species extinct in the wild - consisting of one male named Qays and the two females Thheiba and Fidda

The incident happened at around 5pm

Searches were carried out after suspicious activity was reported to the PSNI

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A total of seven arrests were made while nine tonnes of tobacco worth millions in duty was recovered

Disease control measures have been put in place "including the humane culling of all poultry on the site"

Police say officers will remain in attendance at the Avondale site today

Detectives said they are keen to speak to a person dressed in dark clothing and riding an electric scooter who was in the area at the time

Two businesses and two residential properties were searched