Evergrande acknowledges its financial difficulties

<p>From the BBC World Service: The Chinese conglomerate Evergrande has detailed the extent of its financial problems. Plus, we examine the future of Norway&#8217;s oil sector following the country&#8217;s general election. And assess the plight of Nigerians who live near the country&#8217;s toxic gas flares, which are a result of oil extraction in the country.</p>