Zimbabweans have taken part in a referendum on a new constitution. Casting his vote, President Robert Mugabe urged people not to resort to violence. He rejected criticism that Zimbabweans hadn’t been properly informed about the draft document.___________________________________________________________________________________________. The new charter is intended to pave the way for a presidential election later this year. Both Mr. Mugabe and his Prime Minister Morgan Tsvangirai support the new constitution which is expected to be approved. Rugby Union and Wales have won the Six Nations championship by beating England 30 points to 3. The victory at the Millennium Stadium in Cardiff means Wales retained the title they won last year. BBC News