 Coming up, an attempted coup underway in Bolivia. Troops entering the presidential palace, but the president has called for them to stand down. The country's been gripped for months by protests, as what was once one of Latin America's economic success stories has declined into a foreign exchange crisis. We'll have the latest from La Paz, and we'll also look at the reasons behind the upheaval. That's all to come on World Business Report, which is coming up after the latest BBC World Service News.