US election 2016: Lifelong Republicans turned off by Trump

While Donald Trump is showing a lead in polling in South Carolina's Republican primary, not all Republicans in the state are warming to him. Across the country, Trump has the highest unfavourable ratings of any Republican candidate.

Katty Kay speaks to lifelong Republicans in Charleston, South Carolina, who say Trump is a "disaster" for the party. Some are considering not voting - or voting for a Democrat - if Trump wins the nomination.