Police arrest over 50 people in crackdown on cybercrime

More than 50 people have been arrested in a nationwide police operation against computer and internet crime.

They include a 23-year-old man accused of an alleged cyber attack on the US Defence Department, and a 21-year-old man accused of stealing email addresses and passwords from Yahoo and publishing them online.

Rory Cellan-Jones joined police on one of the raids.