Maung Hla Aung, president of the National Democratic Party for Human Rights

As Burmese president Thein Sein pays his first ever visit to France, human rights groups are shining a spotlight on an uglier side of Burma’s democratic transition: mob-led sectarian violence against a minority Muslim population called the Rohingyas. Douglas Herbert speaks to Maung Hla Aung, a Rohingya who lives in exile and is the president of a Burmese political party, the National Democratic Party for Human Rights.