BBC Weather - Severe weather: UK buffeted by blizzards

Heavy snow around the UK caused further travel disruption during the Friday rush hour. There were many delays on the rail network and flights at several airports were cancelled as a band of heavy snow affects most of the UK. Upwards of 3,000 schools were closed in England, Wales and Scotland. Heavy snow fell in Wales, where a rare Met Office red warning for severe disruption had been issued. Hywel Griffith reports from Merthyr Tydfil in south Wales.