hello and welcome. there been an appeal for calm in the welsh capital, cardiff, after two teenage boys died in a traffic accident last night. the incident was followed by a riot in the ely area of the city. the two boys who died have been named locally as 16 year old kyrees sullivan and 15 year old harvey evans. bbc verify has verified cctv video appearing to show a police van following two people on either a moped or electric bike apparently minutes before a crash in which two teenagers died. the team at bbc verify has been taking a look at some of the footage that s been circulating following the riots. they ve verified the following cctv video which appears to show a police van following two people on a bike or moped apparently minutes before the crash which killed two teenage boys. live now to our correspondent in the newsroom, nick. we are expecting a news conference had to get more detail from police but bring us up to speed what we know so far. we but bring us up to sp
minutes ago. we superintendent had to say here a few minutes ago- minutes ago. we received a report of a serious collision minutes ago. we received a report of a serious collision on minutes ago. we received a report of a serious collision on snowdon i a serious collision on snowdon road which a serious collision on snowdon road which actually resulted in the deaths which actually resulted in the deaths of two teenage boys. the families deaths of two teenage boys. the families of the two boys are being supported by family liaison officers and our supported by family liaison officers and our thoughts are with those families and our thoughts are with those families at this terrible time. an electric families at this terrible time. an electric bike has been seized from the scene electric bike has been seized from the scene and inquiries are ongoing to establish the exact circumstances. we have received cctv footage circumstances. we have received cctv footage that shows a