New footage has been released by the Orange County Sheriff's Office which reveals the horrific scenes inside the Orlando gay night club where a mass shooting took place.

A police bodycam captured the moment officers entered Pulse and worked to secure the area.

The massacre's perpetrator, Omar Mateen, 29, from Port St. Lucie in Florida, opened fire in the early hours of Sunday, June 12, killing 49 people and injuring 53 others.