The incredible moment a pod of killer orcas helped free a trapped humpback has been caught on video.

The signs looked ominous for a humpback whale was who tangled in ropes recently off the Western Australian south coast (pictured)

When an orca (pictured left) approached the humpback whale, onlookers thought the whale’s days were numbered
The trio of orcas, named Hookfin, Blade and Matriach Queen, were expected to devour the trapped whale – but amazingly they all appeared to lose interest once the humpback was set free.
‘Matriarch Queen arrived and moved towards the humpback whale which caused a commotion of white water and then something incredible happened – a large chunk of the green rope that was entangling the humpback floated free behind him.’
Having been freed in the nick of time, the humpback whale then swam away from the pod.

In amazing scenes, one of the orcas managed to free the tangled humpback whale (pictured) to safety

Those who witnessed the scene were shocked after the orcas had every chance to feast on the injured whale – but chose not to