Thousands flee in terror after loud bangs at Manchester Arena explosion at Ariana Grande concert, fatalities reported

Details of what  really happened are extremely sketchy.  Not jumping to any conclusion until I have more info.  

The Sun reports witnesses reported hearing a 'massive bang' before people fled the scene screaming

POLICE have confirmed that people have died and been injured after “explosions” at Manchester Arena sent thousands of terrified concertgoers fleeing an ArianaGrande concert.

Witnesses on social media have reported hearing a “massive bang” before screaming crowds rushed out of venue with police confirming an explosion in the foyer area.

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