The President of El Salvador is calling on young men to leave the country’s criminal gangs, or perish with them. He said the gangs have terrorised the country for decades, and would be dismantled. Orla Guerin has been to the capital, San Salvador, to see how the gangs menace the city. Greece has a new Prime Minister, Kyriakos Mitsotakis of the centre-right party New Democracy, defeating the socialist Alexis Tsipras. Mark Lowen was based in Athens at the height of the financial crisis, which led to Greece experiencing one of the worst peace-time depressions of the last hundred years. He returned to watch the old conservative party being brought back to power. Five years ago, Russian-backed forces seized control of the Crimean peninsula. Ash Bhardwaj gained permission to enter Crimea, to find out what’s changed in five year’s of Russian rule. A hundred years ago, the passing of the Addison Act spurred a huge expansion in council housing across the UK. Austria too has been remembering when it began building social housing around 100 years ago. In Vienna today more than half of its population live in subsidised apartment blocks. Some of these are of vast scale, such as Karl Marx Hof, more than half a mile long. Caroline Davies has been finding out what lessons policy makers can learn from the Viennese approach to housing. The end of the Cricket World Cup is drawing near, and the final match, between England and New Zealand, will be watched by fans from all over the world. But what would they make of how the game is played in the Trobiand Islands, located off the coast of Papua New Guinea? The people there have a passion for cricket that borders on the extreme, as Mark Stratton has discovered. Presenter: Kate Adie Producer: Neil Koenig