Vandals set three saltwater crocodiles loose in an Australian school office on Sunday.

CCTV footage shows the crocodiles being pushed through a broken window at Taminmin College, located in the Northern Territory town of Humpty Doo.

A gang of masked intruders then vandalises the office.

Wildlife rangers who captured the reptiles said they were in poor health and had their mouths taped up.

The largest crocodile was 2m long. It is not known why they were let loose in the school.

Police are searching for the intruders, who face fines of up to A$50,000 (£29,000, $38,000) for animal cruelty.

Footage courtesy of NT Police