Pakistan has launched a nationwide security operation after a suicide bomber killed at least eighty people at a Sufi Muslim shrine on Thursday. The so-called Islamic State group says it carried out the attack at the Lal Shahbaz Qalandar shrine in Sindh province. We ask an expert how big a threat is the Islamic State group to Pakistan?
Also on the programme: we speak to a woman who fled a deadly cult run by her father and a month on since he took office, what people in rural America make of Donald Trump's presidency.
(Photo: Pakistani relatives mourn over the coffin of a 13-year-old blast victim, Zeeshan, during his funeral in the town of Sehwan in Sindh province. Credit: Getty Images)