Police Confirm 19 Dead, 50 Injured After "Suspected Suicide Bombing" At Ariana Grande Concert In Manchester

What we know so far:

The Manchester Arena was hit by at least one explosion during a concert by Ariana Grande.
Police confirm 19 Dead, around 50 injured.
Police state it is 'possible terrorist incident'.
UK officials suspect it was caused by suicide bomber.
Senior counter-terrorism officials meeting in London.
Police warn people to stay away from area
Emergency services rush to scene.
Ariana Grande 'okay' following incident.