Call for tighter gun laws following Christchurch tragedy

New Zealand Prime Minister Jacinda Ardern has promised gun laws will change following Friday’s mass shooting in Christchurch which left at least 50 people dead. But will the country’s powerful gun lobby halt any drastic changes?

Also in the programme: Policing videos of violent acts of terror on Facebook; and inside a high-security detention centre housing IS fighters.

(Picture: A man pauses next to a New Zealand flag hung amongst flowers and tributes to the victims of Friday’s gun attack, 17th March 2019 in Christchurch, New Zealand. Credit: Carl Court/Getty Images)