Mobile phone footage from inside Florida club
Media playback is unsupported on your device
Video

Orlando shooting: New footage and survivor accounts

A clearer picture is emerging of the worst mass shooting in recent American history, which left 49 people dead in a gay nightclub.

Survivors have spoken of their terror, while authorities in Orlando, Florida, have given details of their operation to stop the gunman.

Jon Sopel reports.

Go to next video: Victim's final texts to his mother