MANCHESTER – Horrific and graphic videos of Manchester attack reveal how the horror of the terror attack at the Manchester Arena unfolded.

Thousands of young people who had just enjoyed a pop concert can be seen screaming and running from their seats in footage taken from eyewitnesses.

In later footage, dozens of people can be seen running down the stairs from the Arena’s concourse into Manchester Victoria station as they desperately try to flee the venue.

While in another video taken from outside, police and paramedics can be seen racing to the scene to treat those injured.

Terrified eyewitnesses have spoken of their panic and the horror over the incident.