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It brings the total number of people arrested over the riots in Ely, Cardiff, to 20, which followed the death of Kyrees Sullivan, 16, and Harvey Evans, 15, on May 22, after they crashed on a Sur-Ron electric bike.
Childhood best friends Kyrees, 16, (right) and Harvey, 15 (left) were fatally injured after they crashed in the suburb of Ely, Cardiff, at 6pm on May 22.