Burma’s UN special rapporteur on Monday praised the recent release of political prisoners by President Thein Sein, but voiced concern over ongoing arrests deemed politically motivated. “The release of prisoners of conscience continues to be one of the most tangible outcomes of Myanmar’s reforms. However, I am very concerned about ongoing arrests and sentencing,” said Tomás Ojea Quintana, who is tasked with assessing human rights conditions in Burma. The UN official said he intended to follow-up on such cases during a visit to Burma next month. Quintana’s comments follow the release last week of 73 political prisoners.