Manchester police say they are investigating a network following the suicide bomb attack at the Ariana Grande concert which killed 22 and injured 59.
They are confirmed that four have been arrested, with the investigation on going.
Chief Constable Ian Hopkins of the Greater Manchester police.
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OUT: ...as we speak."
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Chief Constable Hopkins confirmed four have been arrested so far.
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Chief Constable Hopkins says it will be several days before the coroner's reports are finished, but all of the families of the injured have been contacted.
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OUT: ...of them too."
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