Keir Starmer QC, the Director of Public Prosecutions, has told Daybreak that the abusive Twitter message about Olympic diving star Tom Daley was not a criminal offence, despite it being offensive.
"The message was meant for a limited audience, it was removed swiftly, other action was taken and we consulted with Tom Daley," he added.
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Thousands of people have gathered in the centre of Manchester for a vigil in the wake of the terror attack.