Washington / AFP Several massive tornadoes churned above Oklahoma, killing at least two people, with hail as big as grapefruit hitting the US state, the authorities and US media said. The storms began forming in southern parts of the state in the afternoon, local media reported, with the first confirmed twister hitting near Elmore City, in rural Garvin County. …

  Brasília / AFP The impeachment of Brazil’s President Dilma Rousseff looked set to go ahead on Tuesday, after the interim speaker of the lower house said he had reversed his earlier annulment. In the latest twist to the country’s spirling political crisis, local media said Waldir Maranhao had “reversed the decision” to cancel the April vote by lawmakers that …

  Beijing / AFP The US on Tuesday sailed a warship close to a disputed South China Sea reef Beijing has built up into an artificial island, reports and officials said, prompting China to express “dissatisfaction and opposition”. Guided-missile destroyer USS William P. Lawrence navigated within 12 nautical miles of the Fiery Cross Reef, occupied by China and also claimed …