Police in Colombia say they have found a half-built submarine in a warehouse in a suburb of the capital Bogota (2,250 metres (7,500 ft) above sea level,). Police chief General Luis Ernesto Gilibert said Russian documents were found alongside the partially-completed vessel. He said the 30 metre (100ft) vessel would have been capable of carrying huge quantities of cocaine or heroin. He speculated that, once completed, the submarine would have been disassembled and taken by lorry to to Colombia’s Pacific or Caribbean coast. When police raided the warehouse in the suburb of Facatativa they found the building equipped with closed-circuit...