Brazil's President Jair Bolsonaro signed a decree to ban burning throughout the country for two months, government sources said, as the authorities scramble to defuse the Amazon fires which have triggered a global outcry.
Prime Minister Boris Johnson's suspension of parliament just weeks before Britain's EU departure date faced legal challenges on Thursday amid a furious outcry from pro-Europeans and MPs opposed to a no-deal Brexit.
President Donald Trump launched a new Pentagon command dedicated to warfare in space on Thursday, as American armed forces chiefs see China and Russia pressing hard to erode the US advantage in the newest military frontier.
Central America is grappling with its worst outbreak of dengue fever in decades - and scientists say the disease is likely to spread and become more frequent in the future due to climate change.