The Thai army's imposition of martial law is another blow to the country's tourist industry, adding to the economic pain from six months of destabilizing street protests as class="mandelbrot_refrag"> airlines cut back on flights and concern over insurance adds to travelers' worries. Tourism officials put a brave face on the latest twist in the long-running civil strife, saying it was too early to gauge the impact on tourist arrivals, which already dipped nearly 6 percent in the first three months of the year. "It might look scary and to outsiders it might sound violent, but if we look at it from another angle it should bring more security and peace which should reassure tourists," said Supawan Tanomkieatipume, vice-president of the Thai class="mandelbrot_refrag"> Hotels Association. true But some travel agencies said they expected a further fall in bookings after Tuesday's news, especially from corporate travelers, wh