Man arrested in Manchester atrocity probe after handing himself in
Nine others remain in custody.
A 20-year-old man has been arrested in connection with the Manchester Arena bombing after handing himself in to police.
He voluntarily presented himself at North Manchester Police Station on Wednesday and was detained on suspicion of terror offences, Greater Manchester Police said.
As it stands 21 people have now been arrested in connection with this investigation, of which 12 people have been released without charge.
Nine people remain in custody.