By Amy Sawitta Lefevre BANGKOK (Reuters) - Thai Prime Minister Prayuth Chan-ocha on Tuesday dismissed growing diplomatic concern about a police investigation into the murder of two British tourists in Thailand as a pre-trial witness hearing began. Prayuth denied that the Thai charge d'affaires in London, Nadhavathna Krishnamra, had been summoned over concern about how Thai authorities have handled the case. "They did not summon us. We went to provide clarification to them," Prayuth told reporters. "We went to show them how we work. ... Source: Reuters












