Reuters quoting BBC

More (not Reuters):

  • Manchester Police are planning a controlled explosion shortly

Update: - Police say the controlled explosion was not a suspicious item.

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Earlier:

  • Reports of an explosion at Manchester Arena (UK)
  • Yen rising - Reports of explosion at Manchester Arena (UK) - more details
  • BBC reporting at least 20 dead in Manchester Arena (UK) explosion (link to a live feed is at this link)
  • The BBC says the explosion being treated by authorities as a possible terror incident
  • UK media now saying Manchester Arena explosion was a nail bomb attack
  • Manchester explosion update: Police confirm 19 dead, around 50 injuries