California couple deny abuse charges

Latest: A California couple accused of imprisoning and torturing their 13 children have pleaded not guilty.

Update 10.41pm: A California couple accused of imprisoning and torturing their 13 children have pleaded not guilty.

David Turpin, 56, and Louise Turpin, 49, starved their children to the point that their growth was stunted, chaining them to their beds for months at a time and forbidding them from showering more than once a year or using the toilet, a prosecutor said on Thursday.