This week a young British suicide-bomber has been killed in Iraq; three sisters travelled to Syria taking their children along with them; and a white British muslim convert died fighting with the Somali islamist group al-Shabab. What motivated them to leave the UK to support jihadist causes abroad? We consider the influences on them, and ask what can be done to counter such radicalisation. Join Razia Iqbal and her distinguished panel of guests as they discuss these issues on Newshour Extra. (Photo: This image posted on a militant website is said by his parents to be Talha Asmal, the British 17-year-old who killed himself in a suicide bombing in Iraq. Credit: AP)