1/4. Over the next four days, 23,000 dogs and their owners descend on Birmingham's NEC for the top event in the canine calendar. Today the spotlight is on the terriers and hounds, while viewers will have a chance to vote for their favourite "hero dog". Peter Purves , Jessica Holm , Frank Kane and Wayne Cavanaugh commentate. Hosted by Clare Balding and Richard Hammond. More tomorrow at 7.30pm. Series producer Ian Russell ; Executive producer David Pickthall
www.bbc.co.uk/crufts BBCi: services available via the red button on the handset include a full results rundown and more on the "hero dog" competition