CCTV shows police vehicle following bike ahead of fatal crash in Wales

Council workers secure the area immediately around a car that was set alight in Ely, Cardiff (PA)

South Wales police have received CCTV footage that shows a police vehicle following a bike ahead of a serious collision that killed two teenagers in Cardiff and sparked a riot.

Kyrees Sullivan, 16, and Harvey Evans, 15, were killed in the Ely area of Cardiff on Monday while riding an electric bike.