The Yemeni capital of Sana'a is said to be one of the world's oldest cities. UNESCO has named its old town a World Heritage site. But the city is now the focal point of a brutal civil war. The conflict is threatening to divide not just the country but the entire region. We look at how the situation developed and hear from an expert about what the future might hold.

South Koreans have taken time to reflect on a tragedy that shook their nation. On April 16th last year, the ferry Sewol capsized off the southern coast in one of the nation's worst accidents in decades. 295 people died and 9 others are still listed as missing. Most of the victims were high school students on a school trip.