Thousands of Bolivian coca leaf growers have stormed the country's main coca market in La Paz following violent clashes with security forces. The Adepcoca market is at the centre of a dispute between two groups of coca growers -- one loyal to the government, the other opponents. Last week, the group loyal to and supported by the government ousted an opposition figure to take control of the premises. A RECAP OF a dispute over Bolivia's main coca market