New CCTV footage shows a police van following an electric bike minutes before a fatal crash which sparked a night of riots in Cardiff, Wales.<br /><br />The footage, obtained by Wales News, shows the bike being followed by the vehicle on Frank Road, Ely, less than a mile from the collision site.<br /><br />Kyrees Sullivan, 16, and Harvey Evans, 15, were both killed in the collision.<br /><br />South Wales Police Chief Superintendent Martyn Stone said the CCTV was “recovered as part of the investigation” and the force has referred itself to the IOPC watchdog.