Political violence erupts on the world stage, as we revisit the horrifying initial reports of the Srebrenica massacre, a deadly gunfight inside the US Capitol – 23 years before the 2021 attack – and a thwarted military coup in Turkey. Global headlines also reveal moments of intense public shock, from the fatal police shooting of Jean Charles de Menezes in London to the notorious assassination of an anti-Mafia judge in Sicily. Explore all this and more through this week’s stories.