“She’s keeping silent, and that silence is essentially a green light for the military,” said Louis Charbonneau, the United Nations director at Human Rights Watch.
While Ms. Aung San Suu Kyi’s views on the Rohingya killings are not clear, she caused an uproar last week, partly attributing alarm about the crisis to a “huge iceberg of misinformation” while discussing it with President Recep Tayyip Erdogan of Turkey.
“Everything she has said doesn’t inspire confidence that she’s on the right side of this issue,” Mr. Charbonneau said.
Some critics have called for Ms. Aung San Suu Kyi to be stripped of her Nobel Peace Prize, which she won in 1991 for standing up to Myanmar’s military junta in a campaign for democracy.
There had been widespread expectation that she would speak about the Rohingya killings at the General Assembly. But a spokesman for her office, Zaw Htay, told reporters in Myanmar on Wednesday that she had canceled her trip because of the crisis.
“She is concentrating on establishing stability,” the spokesman said in remarks quoted by news agencies.
News of the canceled visit came as pressure has intensified at the United Nations for action to halt the killings.
The United Nations secretary general, António Guterres, told reporters on Wednesday that the Rohingya situation was “catastrophic.”
Asked if he agreed that the Rohingya were victims of ethnic cleansing, as his top human rights official termed it this week, he was blunt.
“When one-third of the Rohingya population has to flee the country, can you find a better word to describe it?” Mr. Guterres responded.
Mr. Guterres was addressing reporters in…