Collapse of weekend negotiations prompted Trump to impose a blockade on Iranian ports – key US politics stories from 14 April at a glance

Editorial: An American blockade in the strait of Hormuz raises energy-market dangers after failed negotiations – pushing a fragile ceasefire closer to collapse

Donald Trump has said the US will begin blockading the strait of Hormuz in an attempt to take control of the strategic waterway. Key US politics stories from Sunday 12 April at a…