Burma's opposition leader is refusing to be freed from house arrest until her colleagues are also freed, the UN says.
Suu Kyi is demanding an inquiry into the 30 May clash
Aung San Suu Kyi has been detained since 30 May, after a clash between supporters and pro-junta demonstrators.
UN envoy Paulo Sergio Pinheiro said he had been told by the ruling generals she was no longer under house arrest.
But he told reporters after meeting her that she would not accept liberty until 35 colleagues in the National League for Democracy were also released.
They were detained after the May attack on Aung San Suu Kyi's convoy during her political tour of northern Burma.
Mr Pinheiro said the pro-democracy leader was in high spirits when he met her, but she would not accept any privilege or freedom of movement while her supporters were detained.
"Aung San Suu Kyi let me know that she would refuse any privileges until all the prisoners detained on 30 May have access to freedom," he told a press conference in Rangoon.
The Burmese government told him she was no longer held under any security law.
But she continues to face restrictions. Mr Pinheiro himself had to seek special permission from the Burmese prime minister to visit her.
He said Aung San Suu Kyi stressed that the political dialogue should move forward, despite the May setback, but demanded an investigation into the attack.
Pinheiro will report on his findings to the United Nations
"She says there should be justice and accountability, not revenge," he said.
Witnesses and rights groups say dozens of her supporters may have been killed in the May attack.
Mr Pinheiro said he wanted to investigate the incident, but was rebuffed by the junta.
"The authorities have not yet agreed to my proposal to conduct an independent assessment of the 30 May incident," he said.
The Brazilian academic was speaking at the end of a six-day visit to Burma to investigate allegations of rights abuses.
As well as meeting Aung San Suu Kyi and leaders of ethnic minorities, he interviewed 20 political prisoners at the capital's notorious Insein jail. He described the conditions there as "awful".
Mr Pinheiro is due to make a full report to the UN in New York next week.