North Korea shocks the world

North Korea exploded what it said was an H-bomb. The US says North Korea is 'begging for war', and has run out of road. Are there any workable options left? Also in this programme/podcast: the US announces a halt to its Dreamers programme; the number of Rohingya refugees streaming out of Myanmar tops a quarter of a million; and why Lego is shedding jobs.
Photo: People in North Korea view a screen on which a newsreader announces a nuclear test.
Credit: JIN/AFP/Getty