matsumoto's brother ter you aky asked passers-by not to forget about the abductions. >>> in colombia's capital bogota, a car bomb wounded at least nine people. investigative authorities suspect the bombing may have been carried out by an anti-government group. a huge amount of explosives went off in a car parked near a radio station early thursday morning. the blast shattered most of the windows of the 12-story radio station and other nearby buildings. terrorist attacks in colombian cities have sharply declined due to tough measures against guerrilla groups such as the revolutionary armed forces of colombia or farc, by former president alvaro uribe. since taking office last week, the president santos has shown a readiness to hold conditional talks with rebels. however, following the latest attack he stressed his government will continue aggressively fighting terrorism. >>> japanese entrepreneurs are increasingly launching businesses that hope to find solutions for problems in developing countries. today we focus on a japanese researcher who is working on a product which could solve som