Flights disrupted as Houthi attacks on Saudi Arabia continue

How are the Houthis able to launch these attacks and how far might they go?Also on the programme: This year's Nobel Peace Prize winner, Navi Pillay tells Newshour that international law is 'under attack'; and did the world's biggest accountancy firm help the Russian billionaire Roman Abramovich to evade tax?(Photo: Houthi military spokesman Yahya Sarea delivers a televised statement as Yemen's Houthis claim responsibility for four missile-drone attacks on Saudi positions Credit: EPA/Shutterstock)