© Reuters. People ride their motorcycles past a digital billboard showing a sketch of the main suspect in Monday's attack on Erawan shrine, in Bangkok, Thailand By Aukkarapon Niyomyat BANGKOK (Reuters) - Nearly a week after a bomb in Thailand killed 20 people, authorities appear no closer to identifying suspects or a motive, with police saying on Sunday a lack of modern equipment was hampering their investigation. The blast last Monday at one of the capital's most famous shrines, packed with Asian visitors, will inevitably dent the tourist industry, one of the economy's few bright spots. Economic woes could undermine the military government as it steers the country towards an election next year under a new constitution critics say will not end a decade of turbulent politics. The strongest evidence appears to be grainy CCTV... More