Stalking: 'He sent me 457 texts in one day'

When 'Helen' was stalked by her ex-partner, his abusive messages made her feel "worthless".

But she felt police did not take her seriously. Now one force is developing a new way to help victims.

Watch the Victoria Derbyshire programme on weekdays between 09:00 and 11:00 on BBC Two and the BBC News Channel.