From Our Own Correspondent

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 soci