By DVB And REUTERS February 20, 2014 The human rights situation in Burma has improved, UN envoy Tomás Ojea Quintana said at Yangon Airport on Wednesday, speaking at a press conference that concluded a six-day visit to the country and also marked the end of his six-year mandate as the UN’s Special Rapporteur on Human Rights in the country. However, the Argentine diplomat criticised the Burmese government’s handling of the Rohingya crisis in Arakan State and said he has serious concerns over the impartiality of a government investigation into an alleged massacre of 48 Muslims in the village of Duchira Dan in Muangdaw Township between 9 and 13 January. Quintana noted that Burma had made strides in releasing prisoners of conscience, opening space for freedom of expression, the development of political freedom, and “important progress” in bringing an end to conflict with ethnic armed groups. But he called for a “change of mindset” within all levels of government to