Ariana Grande concert explosions leave scores dead and injured. Manchester police: 'terrorist incident'

There are reports of one or more 'huge bangs' followed by multiple casualties and injuries and mass panic at an Ariana Grande concert at Manchester Arena in the UK. Police are treating it as a possible terrorism incident, with a suicide bomber suspected. Authorities are setting up a 'casualty bureau,' which suggests a large number of people were killed. Many of the concert-goers were children with their parents.

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