WATCH: The moment explosion strikes Ariana Grande concert
Vision from inside The Manchester Arena has captured the moment thousands of Ariana Grande concert-goers were sent into a panic by a huge blast.
A group of young girls can be seen standing close to the stage as they try and figure out what all the panic is, when what is thought to be a second blast erupts.
The blast brings on a brief stunned silence before the first of many screams can be heard erupting inside the arena.
"Oh my god, oh my god," the woman can be heard screaming.
Police confirmed that 19 people had been killed in the suspected terror attack, while at leas 59 people are currently being treated in hospital.
The blast sent panic through Manchester Arena, with thousands seen fleeing the venue. Source: Facebook
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A spokesman for Greater Manchester Police gave a brief statement to the press shortly after 3am on Tuesday (local time), confirming the incident was being investigated as a "terrorist incident".
"We are currently treating this as a terrorist incident until we have further information.
"We are working closely with national counter-terrorism policing network and UK intelligence partners."