Hong Kong student protests: 'We have to fight'

Thousands of students in Hong Kong have converged on a university campus to begin a week-long boycott of classes.

They are protesting against China's stance on electoral reform in the territory and pupils from more than two dozen institutions are taking part.

The BBC's Carrie Gracie met some of those who had taken to the streets, who told her they would fight for democracy even if Beijing did not want to listen.