Nine arrested over Cardiff riot sparked by death of teenagers

News comes as Guardian obtains footage of police van moving at speed just before e-bike the two boys were riding crashed

Nine people, including three 15-year-olds, have been arrested over the riot in Cardiff that was sparked by the deaths of two teenagers after they were followed by a police van.

South Wales police, which is being investigated by the police watchdog in connection with the tragedy, said there would be more arrests.