How should the UK deal with British extremists fighting with so-called Islamic State?

The "only way" to deal with British IS fighters in Syria is "in almost every case" to kill them, according to the minister for international development. Rory Stewart said converts to so-called Islamic State believed in an "extremely hateful doctrine" and had moved away from any allegiance to Britain. Plus, we speak to Arjan Singh Bhullar, the first UFC fighter of Indian heritage.