A Cardiff teenager has been arrested by police investigating an 'offensive and threatening' social media message following the death of Leeds schoolteacher Ann Maguire.
The 16-year-old boy was arrested yesterday by South Wales Police after members of the public raised concerns with West Yorkshire Police.
He was bailed pending a psychiatric assessment.
Two other people have been arrested in relation to messages allegedly posted on social networking sites after Mrs Maguire was fatally stabbed on April 28th.
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Two years ago, 18 year-old Conner Marshall was killed in a savage attack by a known criminal who was on probation.
The student, who has lived in the UK since she was 12, faced leaving the UK three months before completing her degree.