Dr Petrina Williams, St Helena's first island-educated doctor

Dr Petrina Williams, the first-ever Saint to qualify as a doctor of medicine after secondary education on St Helena, talks to Simon Pipe about the prospect of returning to practice on the island and the challenges that would bring. She also shares her thoughts on the island's very high prevalence of diabetes, The interview took place at the 2012 Reading Sports, the largest annual gathering of St Helenians in the UK. It opens with a brief exchange with her father.